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Journal articles on the topic 'Biphenyl derivative'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Patel, Pineshkumar N., and Denish C. Karia. "Synthesis and Antimicrobial Activity of Novel Series of Diversely Substituted Acetyl Pyrazoline Bearing Biphenyl Carbonitrile Motif." International Letters of Chemistry, Physics and Astronomy 69 (August 2016): 42–48. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.69.42.

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Novel series of diversely substituted acetyl pyrazoline having biphenyl carbonitrile motif have been synthesized. The reaction of 2-cyno-4’-bromomethyl biphenyl with1-(4-hydroxy-phenyl)-ethanone resulted in acetophenone derivative of biphenyl-2-carbonitrile. This acetophenone derivative was condensed with substituted aromatic aldehyde in mixed solvent resulted in various substituted chalcones. These chalcones were further cyclized using hydrazine hydrate in presence of glacial acetic acid to produce titled compound derivatives. The chemical structures of synthesized compounds were elucidated b

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2

Patel, Pineshkumar N., and Denish C. Karia. "Synthesis and Antimicrobial Activity of Novel Series of Diversely Substituted Acetyl Pyrazoline Bearing Biphenyl Carbonitrile Motif." International Letters of Chemistry, Physics and Astronomy 69 (August 12, 2016): 42–48. http://dx.doi.org/10.56431/p-al2z39.

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Novel series of diversely substituted acetyl pyrazoline having biphenyl carbonitrile motif have been synthesized. The reaction of 2-cyno-4’-bromomethyl biphenyl with1-(4-hydroxy-phenyl)-ethanone resulted in acetophenone derivative of biphenyl-2-carbonitrile. This acetophenone derivative was condensed with substituted aromatic aldehyde in mixed solvent resulted in various substituted chalcones. These chalcones were further cyclized using hydrazine hydrate in presence of glacial acetic acid to produce titled compound derivatives. The chemical structures of synthesized compounds were elucidated b

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3

Panwar, Ritik, Vikash Jakhmola, Supriyo Saha, Sunil Jawla, and Ravinesh Mishra. "Molecular Docking, MD Simulation, and Antiproliferative Activity of Pyridazine Derivatives." International Journal of Drug Delivery Technology 15, no. 02 (2025): 01–09. https://doi.org/10.25258/ijddt.15.2.48.

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Pyridazine derivative showed much diversified activity. Previously 77 pyridazine derivatives were synthesized and evaluated the antihypertensive property. Pyridazine derivatives also showed antitumor and antiproliferative behavior. By kept this idea in mind we repurposed those pyridazine derivatives towards antiproliferation using in silico, and in vitro methods. Molecular docking analysis of pyridazine derivatives against DNA (PDB id: 6BNA) were performed and top4 molecules (R45, R60, R67, R70) were identified based on their docking scores. Then 100 ns MD simulation and MMPBSA analysis of the

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4

Veeranki, Krishna Chaitanya, Jalapathi Pochampally, and Ravi Chander Maroju. "Synthesis of Novel Biaryl Fused Thiazolo[3,2-b][1,2,4]triazol-2-amines from Thiazole Amine Involving Suzuki Coupling Reaction under Microwave Irradiation." Asian Journal of Chemistry 35, no. 2 (2023): 431–34. http://dx.doi.org/10.14233/ajchem.2023.26998.

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Novel series of fused heterocycles in which amino triazole fused to biphenyl thiazole were synthesized in a multistep reaction starting from 2-aminothiazole. The amino compound with ethoxy carbonyl isothiocyanate afforded the ethyl carbamate thiomide derivative of thiazole, which further underwent intramolecular cyclization with hydroxyl amine hydrochloride in presence of DIPEA to furnish the fused thiazolotriazole amine. Haloaryl group in the fused heterocycle under Suzuki coupling condition afforded biphenyl derivatives of fused thiazolotriazole amines. All the synthesized compounds were con

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5

Kogawa, Yutaro, Tetsu Hirose, and Atsushi Yoshizawa. "Biphenyl derivative stabilizing blue phases." Journal of Materials Chemistry 21, no. 47 (2011): 19132. http://dx.doi.org/10.1039/c1jm13299g.

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6

Penon, Oriol, Filippo Marsico, Davide Santucci, Laura Rodríguez, David B. Amabilino, and Lluïsa Pérez-García. "Multiply biphenyl substituted zinc(II) porphyrin and phthalocyanine as components for molecular materials." Journal of Porphyrins and Phthalocyanines 16, no. 12 (2012): 1293–302. http://dx.doi.org/10.1142/s1088424612501453.

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The preparation and physico-chemical characteristics of zinc(II) porphyrin and phthalocyanine derivatives with biphenyl units are reported. These compounds have been prepared as components for molecular electronics systems and rotor-based molecular machines, where the biphenyl units can act as paddles because they are oriented quasi-perpendicularly to the plane of the aromatic macrocycles which would be coordianted through the transition metal ion by an axial ligand. The minimalist design along with the absence of solubilizing groups leads to a low solubility of the compounds in organic solven

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7

Chmovzh, Timofey N., and Oleg A. Rakitin. "tert-Butyl Bis(4′-(Hexyloxy)-[1,1′-biphenyl]-4-yl)carbamate." Molbank 2021, no. 3 (2021): M1247. http://dx.doi.org/10.3390/m1247.

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New donor building blocks, i.e., triarylamino derivatives, are of great interest for the production of organic photovoltaic materials. In this communication, bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)amine was synthesized in a two-step process via hydrolysis of its tert-butyl carbamate derivative. tert-Butyl bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)carbamate was obtained by Suzuki cross-coupling reaction of tert-butyl bis(4-bromophenyl)carbamate and (4-(hexyloxy)phenyl)boronic acid in the presence of tetrakis(triphenylphosphine)palladium(0). The structure of newly synthesized compounds was establis

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8

Lhoták, Pavel, and Antonín Kurfürst. "Synthesis of Luminophoric Derivatives of PBD Based on 2,5-Diaryl Substituted Thiazoles and Oxazoles." Collection of Czechoslovak Chemical Communications 58, no. 11 (1993): 2720–28. http://dx.doi.org/10.1135/cccc19932720.

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The Friedel-Crafts acylation of 2-(biphenyl-4-yl)-5-phenyl-1,3,4-oxadiazole (PBD) with hippuryl chloride has been used to prepare the derivative V which on cyclization with POCl3 or P4S10 gives the respective oxazole (or thiazole) derivative of PBD, XIa or XIb. The reaction of carboxylic acid II with 4-(o-aminoacetyl)biphenyl in the presence of CDI gives N-acyl-α-aminoketone VII; the analogous compound VI has been prepared by acylating of o-aminoacetophenone with acyl chloride III. The cyclization of these compounds gives bifluorophores Xa - Xd.

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9

Kurfürst, Antonín, Pavel Lhoták, Petr Nádeník, Františka Raclová-Pavlíková, and Josef Kuthan. "2-(Biphenyl-4-yl)-5-phenyl-1,3,4-oxadiazole (PBD): Electrophilic 4’-substitution and following transformations." Collection of Czechoslovak Chemical Communications 56, no. 7 (1991): 1495–504. http://dx.doi.org/10.1135/cccc19911495.

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PBD was converted into 4’-substituted derivatives I-XII using usual electrophilic reagents. The decomposition of PBD, 4’-acetyl derivative I and 4’-nitro derivative VI with hydroiodic acid gave 4’-substituted 4-biphenylcarboxylic acids XIIIa-XIIIc and benzoic acid, respectively. The regioselectivity of the reaction was also proved by means of high resolution NMR spectroscopy.

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10

Czompa, Andrea, Balázs László Pásztor, Jennifer Alizadeh Sahar, et al. "Scope and limitation of propylene carbonate as a sustainable solvent in the Suzuki–Miyaura reaction." RSC Advances 9, no. 65 (2019): 37818–24. http://dx.doi.org/10.1039/c9ra07044c.

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11

Losada, P. Paseiro, J. Simal Lozano, and J. Simal Gándara. "Determination of Biphenyl Residues in Citrus Fruit by Derivative Infrared Spectrophotometry." Journal of AOAC INTERNATIONAL 73, no. 4 (1990): 632–37. http://dx.doi.org/10.1093/jaoac/73.4.632.

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Abstract A method for determination of biphenyl residues In whole citrus fruit Is described. The mascerated fruit was distilled In an acid medium, the distillate was extracted with cyclohexane, and biphenyl was determined In the extract using various measures obtained by first and second derivative Infrared (IR) spectrophotometry. Calculations were performed by PE680 and SNGLE programs on data obtained using a Perkln- Elmer Model 3600 data station. The relative precision of the determinations at 70 ppm was 1.8 to 2.0%; the detection limit was 5 ppm In all measurements, and recovery of spiking

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12

Dharmaratne, H. R. W., K. G. N. P. Piyasena, and S. B. Tennakoon. "A Geranylated biphenyl derivative from Garcinia mangostana." Natural Product Research 19, no. 3 (2005): 239–43. http://dx.doi.org/10.1080/14786410410001710582.

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13

Li, Yu Feng. "Crystal Structure and Fluorescence Characterization of Large π-Conjugated Biphenyl Derivative". Advanced Materials Research 850-851 (грудень 2013): 49–52. http://dx.doi.org/10.4028/www.scientific.net/amr.850-851.49.

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biphenyl Derivative was synthesized by Wittig-Homer reaction. Its crystal structure was determined by X-ray diffraction method. The fluorescence properties of the title compound in solvents were investigated.

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14

Zoljargal, B., and N. Davaasuren. "Synthesis and antifungal activity investigation of a novel clotrimazole derivative." Mongolian Journal of Chemistry 14 (October 1, 2014): 28–32. http://dx.doi.org/10.5564/mjc.v14i0.194.

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Azole antifungal agents disrupt fungal ergosterol synthesis that is essential for the formation of fungal cell membrane by preventing 14-α-demethylase enzyme from binding to its substrate. Clotrimazole is one of the first generations of azole antifungal agents. To discover a novel azole antifungal agent, biphenyl derivative was synthesised together with clotrimazole by multistep linear synthesis. Structures of synthesised azole agents have been validated by spectral analysis and potential antifungal activity of both compounds was determined on an yeast, E.coli and M.luteus by using a disk diff

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15

Kasprzak, Artur, and Piotr A. Guńka. "A ferrocene-templated Pd-bearing molecular reactor." Dalton Transactions 49, no. 21 (2020): 6974–79. http://dx.doi.org/10.1039/d0dt01366h.

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16

Wang, Jianmin, Enfang He, Hailong Wang, et al. "Base-driven keto–enol anion tautomerism of a perylene diimide derivative in DMF solution." RSC Advances 6, no. 72 (2016): 68402–6. http://dx.doi.org/10.1039/c6ra12462c.

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A perylene diimide derivative (d-THBPDI) containing twisted heptatomic biphenyl substituents in the bay positions exhibited base (hydrazine, 1,2-ethylenediamine, triethylamine and K<sub>2</sub>CO<sub>3</sub>)-driven keto–enol anion tautomerism in DMF solution.

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17

Huang, Wei-Hua, Wen-Li Jia, and Suning Wang. "7-Azaindolyl- and indolyl-functionalized starburst molecules with a 1,3,5-triazine or a benzene core Syntheses and luminescence." Canadian Journal of Chemistry 84, no. 4 (2006): 477–85. http://dx.doi.org/10.1139/v06-022.

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The syntheses of several new 7-azaindolyl-, indolyl-, and 3-methylindolyl-functionalized starburst molecules that contain either a 1,3,5-triazine, a benzene, a 2,4,6-triphenyl-2,4,6-triazine, a 1,3,5-triphenylbenzene, a 2,4,6-tris(biphenyl)-1,3,5-triazine, or a 1,3,5-tris(biphenyl)benzene core have been achieved. The synthetic methods used for these new compounds involve mostly Ullmann condensation and Suzuki coupling reactions. The thermal properties of the new molecules have been found to be highly dependent on the molecular weight and the central core. Glass transition temperatures greater

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18

Chen, C. Y., M. D. Wu, H. C. Yeh, H. M. Wu, H. T. Li, and M. J. Cheng. "A Novel Biphenyl Derivative from Cinnamomum insulari-montanum." Chemistry of Natural Compounds 58, no. 1 (2022): 18–20. http://dx.doi.org/10.1007/s10600-022-03590-4.

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19

Rukachaisirikul, Vatcharin, Wanpen Naklue, Yaowapa Sukpondma, and Souwalak Phongpaichit. "An Antibacterial Biphenyl Derivative from Garcinia bancana MIQ." CHEMICAL & PHARMACEUTICAL BULLETIN 53, no. 3 (2005): 342–43. http://dx.doi.org/10.1248/cpb.53.342.

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20

Sienkiewicz-Gromiuk, Justyna, Halina Głuchowska, Bogdan Tarasiuk, Liliana Mazur, and Zofia Rzączyńska. "Synthesis, structural, spectroscopic and thermal characteristics of disubstituted biphenyl derivative: Biphenyl-4,4′-diacetic acid." Journal of Molecular Structure 1070 (July 2014): 110–16. http://dx.doi.org/10.1016/j.molstruc.2014.04.030.

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21

Garypidou, Antonia, Konstantinos Ypsilantis, John C. Plakatouras, and Achilleas Garoufis. "Dual-Emissive Rectangular Supramolecular Pt(II)-p-Biphenyl with 4,4′-Bipyridine Derivative Metallacycles: Stepwise Synthesis and Photophysical Properties." Molecules 28, no. 21 (2023): 7261. http://dx.doi.org/10.3390/molecules28217261.

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Mixed-ligand tetranuclear supramolecular coordination complexes (SCCs) of Pt(II)-p-biphenyl and bridging ligands derivatives of 4,4′-bypiridine (8)–(10), were synthesized and characterized. The SCCs were synthesized stepwise, starting from the Pt-p-biphenyl -Pt core. The crystal structure of complex {[Pt(2,2′-bpy)]4(μ-bph)2(μ-(4,4′-bpy)2}{PF6}4 (2,2′-bpy = 2,2′-bipyridine, bph = p-biphenyl and 4,4′-bpy = 4,4′ bipyridine), was determined using single-crystal diffraction methods. The emission profile of the tetranuclear complexes (8)–(10) was influenced by the length of the bridging ligands and

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22

Manolov, Stanimir, Iliyan Ivanov, and Dimitar Bojilov. "N-(Benzo[d]thiazol-2-yl)-2-(2-fluoro-[1,1′-biphenyl]-4-yl)propanamide." Molbank 2021, no. 3 (2021): M1260. http://dx.doi.org/10.3390/m1260.

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N-(Benzo[d]thiazol-2-yl)-2-(2-fluoro-[1,1′-biphenyl]-4-yl)propanamide was prepared by a reaction between benzo[d]thiazol-2-amine and flurbiprofen in high yield. The newly obtained flurbiprofen derivative was fully analyzed and characterized via 1H, 13C, UV, IR, and mass spectral data.

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23

Gendron, David, and Josée Labrecque. "2,2′-((5,5′,6,6′-Tetramethoxy-[1,1′-biphenyl]-3,3′-diyl)bis(methanylylidene))dimalononitrile." Molbank 2025, no. 2 (2025): M1996. https://doi.org/10.3390/m1996.

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This report discusses the synthesis of a biosourced divanillin derivative obtained by Knoevenagel condensation. The compound was fully characterized by proton (1H), carbon (13C), heteronuclear single quantum coherence (HSQC), homonuclear correlation spectroscopy (COSY), and heteronuclear multiple bond correlation (HMBC) NMR, as well as high-resolution mass spectroscopy (HRMS). We also investigated the optical properties through UV-visible spectroscopy and Fourier-transform infrared (FTIR) spectroscopy. At last, the thermal properties of this divanillin derivative were evaluated by thermogravim

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24

Suh, Won Se, Kyoung Jin Park, Dong Hyun Kim, et al. "A biphenyl derivative from the twigs of Chaenomeles speciosa." Bioorganic Chemistry 72 (June 2017): 156–60. http://dx.doi.org/10.1016/j.bioorg.2017.04.003.

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25

Pedersen, Hans Albert, Stine Krogh Steffensen, Kirsten Heinrichson, and Inge S. Fomsgaard. "Biphenyl Columns Provide Good Separation of the Glucosides of DIMBOA and DIM2BOA." Natural Product Communications 12, no. 7 (2017): 1934578X1701200. http://dx.doi.org/10.1177/1934578x1701200708.

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Hydroxamic acids are important defense compounds in cereals and have been subject to extensive research. Two important hydroxamic acids in maize are 2-β-D-glucopyranosyloxy-4-hydroxy-7-methoxy-2 H-1,4-benzoxazin-3(4 H)-one (DIMBOA-glc) and its 8-methoxylated derivative (DIM2BOA-glc). The compounds are typically reported as resolved by mass spectrometry rather than chromatography, with DIM2BOA-glc quantified relative to DIMBOA-glc. Biphenyl HPLC columns, however, allow good separation of the two compounds at both the analytical and semi-preparative scale, enabling both isolation and absolute qu

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26

Sato, Moriyuki, Tomohiro Hirata, Tomoaki Kamrnita, and Ken-ichi Mukaida. "Synthesis and properties of new aromatic-aliphatic homo-and copoly(ester-imide)s based on 3,4,3',4'-diphenylsulphone tetracarboxdiimide." High Performance Polymers 7, no. 3 (1995): 347–55. http://dx.doi.org/10.1088/0954-0083/7/3/011.

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New aromrnatic-aliphatic homo-and copoly(ester-imide)s were prepared by the melt polytransesterification of a dihexanol derivative of 3,4,3',4'-diphenylsulphone tetra-carboxdiimide and'/or a dioxydihexanol of biphenyl with aliphatic dimethyl esters of various chain lengths (m=6, 8 and 18) in the presence of zinc acetate. The tetracarboxdiimide derivative was prepared by the methanolysis of the corresponding diacetylated compound derived from 3,4,3',4'-diphenylsulphone tetracarboxylic dianhydride and 6-amino-1-hexanol with acetic anhydride. The structures of the polymers were confirmed by means

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27

Lhoták, Pavel, and Antonín Kurfürst. "Synthesis of Luminophores Based on Thiazole Derivatives of PBD." Collection of Czechoslovak Chemical Communications 58, no. 8 (1993): 1898–904. http://dx.doi.org/10.1135/cccc19931898.

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Organic luminophore 2-(biphenyl-4-yl)-5-phenyl-1,3,4-oxadiazole (PBD, III) was converted by series of reaction into thioamide VIII which cyclized with substituted bromoacetylarenes X to give the bifluorophore system XI. The thiazole analog XIII was obtained by analogous reaction of bromoacetyl derivative V with thiobenzamide. All the thus-prepared compounds exhibit pronounced fluorescence in solution as well as in the crystalline state.

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28

Li, Chunyuan, Weijiang Ding, Zhigang She, and Yongcheng Lin. "A new biphenyl derivative from an unidentified marine fungus E33." Chemistry of Natural Compounds 44, no. 2 (2008): 163–65. http://dx.doi.org/10.1007/s10600-008-9003-5.

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29

Warmuth, Lucas, Aaron Weiß, Marco Reinhardt, Anna Meschkov, Ute Schepers, and Joachim Podlech. "Total synthesis of decarboxyaltenusin." Beilstein Journal of Organic Chemistry 17 (January 22, 2021): 224–28. http://dx.doi.org/10.3762/bjoc.17.22.

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The total synthesis of decarboxyaltenusin (5’-methoxy-6-methyl-[1,1’-biphenyl]-3,3’,4-triol), a toxin produced by various mold fungi, has been achieved in seven steps in a yield of 31% starting from 4-methylcatechol and 1-bromo-3,5-dimethoxybenzene, where the longest linear sequence consists of five steps. The key reaction was a palladium-catalyzed Suzuki coupling of an aromatic boronate with a brominated resorcin derivative.

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30

Averin, Alexei D., Alexei N. Uglov, Georgii A. Zubrienko, Elena A. Tarasenko, Alexei K. Buryak, and Irina P. Beletskaya. "Synthesis of N- and O-Containing Macrobicycles with Central Biphenyl Moiety via Pd(0)-Catalyzed Amination Reactions." Current Organic Synthesis 14, no. 6 (2017): 918–26. http://dx.doi.org/10.2174/1570179414666161230122852.

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Background: Simple, efficient and enough versatile approaches to macrobicycles and macrotricycles, which are of great interest for the coordination of metal cations, were proposed in early 1990s using nucleophilic substitution reactions. Our research group was the first to begin a wide-range synthesis of N- and Ocontaining macrocycles using Pd-catalyzed amination reactions. Objective: The goal of the present research is to develop the catalytic synthesis of nitrogen- and oxygen containing macrobicycles organized around the central biphenyl moiety. Method: The method employed is the Pd(0)-catal

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31

Esteban, Noelia, Miguel Claros, Cristina Álvarez, et al. "Palladium Catalysts Supported in Microporous Phosphine Polymer Networks." Polymers 15, no. 20 (2023): 4143. http://dx.doi.org/10.3390/polym15204143.

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A new set of microporous organic polymers (POPs) containing diphosphine derivatives synthesized by knitting via Friedel–Crafts has been attained. These amorphous three-dimensional materials have been prepared by utilizing diphosphines, 1,3,5-triphenylbenzene, and biphenyl as nucleophile aromatic groups, dimethoxymethane as the electrophilic linker, and FeCl3 as a promoting catalyst. These polymer networks display moderate thermal stability and high microporosity, boasting BET surface areas above 760 m2/g. They are capable of coordinating with palladium acetate, using the phosphine derivative a

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32

Kobayashi, Keiko, Yutaro Kogawa, and Atsushi Yoshizawa. "Helical Structure Induced by a Binaphthyl Derivative Possessing Two Biphenyl Moieties." Ferroelectrics 364, no. 1 (2008): 121–28. http://dx.doi.org/10.1080/00150190802049657.

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33

Chen, Guang, Sui-Xu Xu, Hong-Zhong Wang, and Rong-Qing Zhang. "Note: Kakispyrol, a new biphenyl derivative from the leaves ofDiospyros kaki." Journal of Asian Natural Products Research 7, no. 3 (2005): 265–68. http://dx.doi.org/10.1080/10286020410001690154.

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34

Jin, Y. D., H. Z. Chen, P. L. Heremans, et al. "Efficient blue polymer light-emitting diodes from a novel biphenyl derivative." Synthetic Metals 127, no. 1-3 (2002): 155–58. http://dx.doi.org/10.1016/s0379-6779(01)00612-9.

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35

Ryu, Jiwon, Rangaraju Satish Kumar, and Young-A. Son. "Robust Photodegradation of Methylene Blue with the Biphenyl-Porphyrin/TiO2 Photocatalyst Under Visible Light Condition." Journal of Nanoscience and Nanotechnology 20, no. 10 (2020): 6266–73. http://dx.doi.org/10.1166/jnn.2020.18518.

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Herewith, we approached a synthesis of new biphenyl porphyrin derivative and confirmed its structure with 1H-NMR and 13C-NMR studies, FT-IR and mass analytical methods. The porphyrin derivative grafted with TiO2 and the composite (PORBP-TiO2) was further confirmed with different analytical techniques like diffuse reflectance spectra, XRD, FT-IR, XPS, SEM analysis. PORBP-TiO2 was checked for photodegradation of methylene blue in visible light condition and degradation results were compared with bare TiO2. Our newly synthesized photocatalyst showed a very fast and efficient photocatalytical acti

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36

Postnikov, V. A., N. I. Sorokina, G. A. Yurasik, et al. "Crystals of 4,7-bis(2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole and Its Derivative with Terminal n-Hexyl Substitutes: Growth, Structure, Thermal and Absorption-Fluorescent Properties." Kristallografiâ 69, no. 6 (2024): 1044–55. https://doi.org/10.31857/s0023476124060159.

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This study presents an investigation into the crystallization and absorptive-fluorescent properties of linear conjugated molecules derived from 2,1,3-benzothiadiazole, specifically 4,7-bis(2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole (Ph-Xy-BTD) and 4,7-bis(4'-hexyl-2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole (Hex-Ph-Xy-BTD). The synthesis of a new derivative of Hex-Ph-Xy-BTD is described. It was found that the presence of terminal n-hexyl substituents in Hex-Ph-Xy-BTD leads to a lower melting point, increased solubility and has a positive effect on crystallization compared to Ph-

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37

Faizi, Md Serajul Haque, Ashanul Haque, Necmi Dege, Syed Imran Hasan, Mustafa Dege, and Valentina A. Kalibabchuk. "Crystal structure of 4,4′-dinitro-[1,1′-biphenyl]-2-amine." Acta Crystallographica Section E Crystallographic Communications 73, no. 4 (2017): 550–52. http://dx.doi.org/10.1107/s205698901700408x.

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In the title biphenyl derivative, C12H9N3O4, the dihedral angle between the benzene rings is 52.84 (10)°. The nitro group attached to the benzene ring is inclined to the ring by 4.03 (2)°, while the nitro group attached to the amino-substituted benzene ring is inclined to the ring by 8.84 (2)°. In the crystal, molecules are linked by two pairs of N—H...O hydrogen bonds, forming chains propagating along [101]. Within the chains, these N—H...O hydrogen bonds result in the formation ofR22(20) andR22(14) ring motifs. The latter ring motif is reinforced by a pair of C—H...O hydrogen bonds, enclosin

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38

Kurfürst, Antonín, Josef Kuthan, Pavel Lhoták, Petr Nádeník, Werner Schroth, and Roland Spitzner. "4-(5-Phenyl-1,3,4-oxadiazol-2-yl)biphenyl-4'-carboxylic acid: Its functional derivatives and their heterocyclization into 1,3-thiazine-6-thiones." Collection of Czechoslovak Chemical Communications 55, no. 11 (1990): 2722–30. http://dx.doi.org/10.1135/cccc19902722.

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The title carboxylic acid II prepared by hypobromide oxidation of 4'-acetyl derivative I was converted into its functional derivatives III-IX by standard preparative procedures. The C-acylation of 1,1-dichloroethene with acyl chloride III gave dichloroethenyl ketone X affording 2,4-disubstituted 1,3-thiazine-6-thiones XIa-XIe and XII by cyclocondensations with appropriate thioamides. The reactivity of heterocycles XIb, XIc was checked by their conversion into the expected products XIII-XV. IR and NMR spectroscopic patterns of the new prepared compounds are discussed.

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39

Holý, Petr, Jiří Závada, Josef Zezula, Ivana Císařová, and Jaroslav Podlaha. "Formation of Infinite Grids with Chiral Square Compartments by Self-Assembly of Achiral 1,1'-Biphenyl-2,2',6,6'-tetracarboxylic Acids. Effect of 4,4'-Substitution on the Grid Stacking." Collection of Czechoslovak Chemical Communications 66, no. 5 (2001): 820–32. http://dx.doi.org/10.1135/cccc20010820.

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The achiral 1,1'-biphenyl-2,2',6,6'-tetracarboxylic acid as well as its 4,4'-dibromo and 4,4'-dinitro derivative self-assemble in crystal under formation of a two-dimensional grid set up from hydrogen-bonded cyclotetrameric compartments which are individually chiral (D4 symmetry). The roughly square cavities (ca 5.6 Å) of individual compartments partly accommodate the perpendicularly oriented benzene rings of the neighbouring grid, in dependence on the nature of the 4,4'-substituents. As a consequence, the grids are stacked in a staggered (nonconcatenated) manner.

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40

Idris, Aymen I., Emmanuel Coste, Iain R. Greig, Stuart H. Ralston, and Rob J. van’t Hof. "The Biphenyl-Carboxylate Derivative ABD328 is a Novel Orally Active Antiresorptive Agent." Calcified Tissue International 87, no. 6 (2010): 525–32. http://dx.doi.org/10.1007/s00223-010-9417-5.

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41

Sumilat, Deiske A., Hiroyuki Yamazaki, Kotaro Endo, et al. "A new biphenyl ether derivative produced by Indonesian ascidian-derived Penicillium albobiverticillium." Journal of Natural Medicines 71, no. 4 (2017): 776–79. http://dx.doi.org/10.1007/s11418-017-1094-5.

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42

Nakamura, Kyoko, Masaki Yoshida, Hideyo Uchiwa, Yoko Kawa, and Masako Mizoguchi. "Down-Regulation of Melanin Synthesis by a Biphenyl Derivative and Its Mechanism." Pigment Cell Research 16, no. 5 (2003): 494–500. http://dx.doi.org/10.1034/j.1600-0749.2003.00084.x.

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43

Matin, Mohammad A., Mohammed A. Aziz, and M. Saiful Islam. "A DFT Investigation of Tris-(4´-(Amino)(1,1´-biphenyl)-3,4-diol) Fe(III) Complex." Dhaka University Journal of Science 66, no. 1 (2018): 67–71. http://dx.doi.org/10.3329/dujs.v66i1.54547.

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Phenolic compounds, known as the pyrocatechol act as a metal chelating agent. Molecular details of cross-linking of pyrocatechol by transition metal ions are largely unknown. In the present study, the molecular properties of the tris-(4´-(amino)(1,1´-biphenyl)-3,4-diol)- Fe(III) complex have been investigated using density functional theory (DFT) at 6-311G(d,p). Calculated molecular properties of the optimized structure, the binding energies and spectroscopic properties are compared with the available experimental results. For the tris-complex investigated, the binding of Fe (III) with the cat

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44

Boyé, O., A. Brossi, H. J. C. Yeh, E. Hamel, B. Wegrzynski, and V. Toome. "Natural products. Antitubulin effect of congeners of N-acetylcolchinyl methyl ether: synthesis of optically active 5-acetamidodeaminocolchinyl methyl ether and of demethoxy analogues of deaminocolchinyl methyl ether." Canadian Journal of Chemistry 70, no. 5 (1992): 1237–49. http://dx.doi.org/10.1139/v92-160.

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Trimethoxy-substituted dihydrodibenzocycloheptenes 4–7, required for a structure–activity study measuring the inhibition of tubulin polymerization in vitro, were synthesized by four different routes: (1) Synthesis of 4 was achieved from 2,3-dimethoxybenzaldehyde via biphenyl aldehyde 17, chain lengthening to propionic acid 20, acid-catalyzed cyclization toward ketone 21, and removal of the carbonyl group. (2) Compound 5 was obtained by eliminating the sterically most hindered methoxy group in 25 or 26 by metal reduction in alcohol. (3) Compound 6 was prepared from biphenyl aldehyde 34 obtained

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45

Schaefer, Ted, James Peeling, and Glenn H. Penner. "The mechanisms of long-range 13C,19F and 19F,19F coupling constants in derivatives of biphenyl and fluorene. Differential isotope shifts." Canadian Journal of Chemistry 64, no. 11 (1986): 2162–67. http://dx.doi.org/10.1139/v86-355.

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13C,19F and 19F,19F nuclear spin–spin coupling constants over n formal bonds, n = 1–9, are reported for 4-fluorobiphenyl, 4,4′-difluorobiphenyl, 4,4′-difluoro-2,2′,6,6′-tetramethylbiphenyl, 2,7-difluorofluorene, 2-fluoro-9-fluorenone, and 2,7-difluoro-9-fluorenone in acetone solutions. The signs of many of the coupling constants are deduced from second-order spectral phenomena caused by differential 13C isotope effects on the I9F nmr chemical shifts. Theoretical potentials, based on geometry-optimized STO 3G MO computations for 4-fluorobiphenyl and 4,4′-difluorobiphenyl, yield expectation valu

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46

Idris, Aymen I., Iain R. Greig, Euphemie Bassonga-Landao, Stuart H. Ralston, and Rob J. van 't Hof. "Identification of Novel Biphenyl Carboxylic Acid Derivatives as Novel Antiresorptive Agents that Do Not Impair Parathyroid Hormone-Induced Bone Formation." Endocrinology 150, no. 1 (2008): 5–13. http://dx.doi.org/10.1210/en.2008-0998.

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Bisphosphonates are widely used in the treatment of osteoporosis, but they inhibit bone formation and blunt the anabolic effect of PTH. Here we describe a novel series of compounds that have potent antiresorptive effects in vitro and in vivo that do not adversely affect osteoblast function. The effects of the compounds on osteoclast formation and survival were studied on mouse osteoclasts generated from bone marrow macrophages and on osteoblast function using primary mouse calvarial osteoblast cultures and bone nodule cultures. Studies were performed in vivo using sham-operated or ovariectomiz

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Matsugo, Seiichi, Nobuko Kayamori-Sato, and Tetsuya Konishi. "PHOTOINDUCED REDUCTION OF CYTOCHROME c IN THE PRESENCE OF HYDROPEROXIDE DERIVATIVE OF BIPHENYL." Photochemistry and Photobiology 60, no. 5 (1994): 415–20. http://dx.doi.org/10.1111/j.1751-1097.1994.tb05126.x.

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48

Li, Xiao-Bao, Guang-Ying Chen, Rui-Jie Liu, Cai-Juan Zheng, Xin-Ming Song, and Chang-Ri Han. "A new biphenyl derivative from the mangrove endophytic fungus Phomopsis longicolla HL-2232." Natural Product Research 31, no. 19 (2017): 2264–67. http://dx.doi.org/10.1080/14786419.2017.1300799.

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49

Lee, Sun-Hee, Man Su Kim, Yong-Bum Cha, Kwang-Hyun Ahn, and Young Chul Kim. "Electroluminescence Characteristics of a New Green-Emitting Phenothiazine Derivative with Biphenyl Benzimidazole Substituent." Molecular Crystals and Liquid Crystals 520, no. 1 (2010): 36/[312]—43/[319]. http://dx.doi.org/10.1080/15421401003608378.

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50

Dokiya, Shohei, Yasuyuki Ono, Fumio Sasaki, Shu Hotta, and Hisao Yanagi. "Organic Light-Emitting Diodes with Heterojunction of Thiophene/Phenylene Co-Oligomer Derivatives." Journal of Nanoscience and Nanotechnology 16, no. 4 (2016): 3194–99. http://dx.doi.org/10.1166/jnn.2016.12303.

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Organic light-emitting diodes are fabricated by heterojunction of thiophene/phenylene co-oligomer films using biphenyl-capped bithiophene (BP2T) and its cyano-substituted derivative (BP2T-CN). Strong electron-withdrawing cyano-groups in BP2T-CN transform the p-type BP2T into n-type. Photoluminescence and electroluminescence from their bilayered films dominantly result from the BP2T-CN layer since the lying molecular orientation of BP2T-CN facilitates surface emission while the standing orientation of BP2T is not suitable for the device configuration. The current density and electroluminescence

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