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Journal articles on the topic '2-hydroxybenzaldehyde'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Li, Jing, Suan Shi, Sushil Adhikari, and Maobing Tu. "Inhibition effect of aromatic aldehydes on butanol fermentation by Clostridium acetobutylicum." RSC Advances 7, no. 3 (2017): 1241–50. http://dx.doi.org/10.1039/c6ra25706b.

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2

Matos Beja, A., J. A. Paixão, M. Ramos Silva, L. Alte da Veiga, A. M. d'A Rocha Gonsalves, and A. C. Serra. "2-Bromo-5-hydroxybenzaldehyde." Acta Crystallographica Section C Crystal Structure Communications 56, no. 3 (2000): 354–55. http://dx.doi.org/10.1107/s0108270199015267.

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3

Fan, Ying, Wei You, Hui-Fen Qian, Jian-Lan Liu, and Wei Huang. "3,5-Dibromo-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 64, no. 5 (2008): o799. http://dx.doi.org/10.1107/s1600536808008726.

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4

Fan, Ying, Wei You, Jian-Lan Liu, Hui-Fen Qian, and Wei Huang. "3,5-Dichloro-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 64, no. 6 (2008): o1080. http://dx.doi.org/10.1107/s1600536808013901.

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5

Wu, Ming-Hu, and Wen-Ju Liu. "5,5′-Selenobis(2-hydroxybenzaldehyde)." Acta Crystallographica Section E Structure Reports Online 67, no. 11 (2011): o2983. http://dx.doi.org/10.1107/s1600536811042097.

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6

Metlay, Jessica B., and Joseph M. Tanski. "3-Bromo-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 68, no. 8 (2012): o2484. http://dx.doi.org/10.1107/s1600536812031510.

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The molecule of the title compound, C7H5BrO2, is almost planar (r.m.s. deviation from the plane of all the non-H atoms = 0.0271 Å) and displays intramolecular O—H...O hydrogen bonding between the phenol group and the aldehyde O atom. Packing is directed by weak intermolecular C—H...Br interactions and π-stacking between nearly parallel molecules [dihedral angle = 5.30 (6)° and centroid–centroid distance = 3.752 (1) Å].

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7

Fu, Wei-Wei. "3-Chloromethyl-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 68, no. 10 (2012): o2928. http://dx.doi.org/10.1107/s1600536812038421.

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8

Kargar, Hadi, Reza Kia, Mehmet Akkurt, and Orhan Büyükgüngör. "5-Bromo-2-hydroxybenzaldehyde thiosemicarbazone." Acta Crystallographica Section E Structure Reports Online 66, no. 11 (2010): o2999. http://dx.doi.org/10.1107/s1600536810043357.

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9

Kargar, Hadi, Reza Kia, Mehmet Akkurt, and Orhan Büyükgüngör. "5-Chloro-2-hydroxybenzaldehyde thiosemicarbazone." Acta Crystallographica Section E Structure Reports Online 66, no. 11 (2010): o2981. http://dx.doi.org/10.1107/s1600536810043448.

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10

Ribeiro da Silva, Maria D. M. C., Mariana V. Gonçalves, and Manuel J. S. Monte. "Thermodynamic study on hydroxybenzaldehyde derivatives: 3- and 4-Hydroxybenzaldehyde isomers and 3,5-di-tert-butyl-2-hydroxybenzaldehyde." Journal of Chemical Thermodynamics 42, no. 4 (2010): 472–77. http://dx.doi.org/10.1016/j.jct.2009.10.009.

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11

Zhang, Qiao Y., Xin J. Cheng, Xin Y. Zhao, La M. Wu, Long F. Jin, and Hui J. Zhang. "Combined Alkylating Agents as a Resolution for Highly Selective N-Alkylation of 2-Hydroxybenzaldehyde Acylhydrazones." Synlett 30, no. 11 (2019): 1334–38. http://dx.doi.org/10.1055/s-0037-1611823.

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Although 2-hydroxybenzaldehyde acylhydrazones, such as salicylaldehyde acylhydrazones, are intriguing bioactive molecules, few of their N-alkylated derivatives are known, and only methyl analogues have been reported previously. We achieved selective N-alkylation of 2-hydroxybenzaldehyde acylhydrazones, as their Fe(III) complexes, by using combinations of alkylating agents (for example, an alkyl bromide and a dialkyl sulfate). Fifteen substrates were examined, and 45 new 2-hydroxybenzaldehyde acyl(alkyl)hydrazones were synthesized in moderate to good yields. In all cases, the target products we

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12

van Otterlo, Willem A. L., Joseph P. Michael, Manuel A. Fernandes, and Charles B. de Koning. "Unforeseen formation of 2-bromo-3-hydroxybenzaldehyde by bromination of 3-hydroxybenzaldehyde." Tetrahedron Letters 45, no. 26 (2004): 5091–94. http://dx.doi.org/10.1016/j.tetlet.2004.04.174.

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13

Sychyeva, Ye S., and M. S. Mukanova. "SYNTHESIS AND CHEMICAL MODIFICATION OF NEW HYDROXYBEZALDEHYDE DERIVATIVES." Chemical Journal of Kazakhstan, no. 3 (September 15, 2023): 127–36. http://dx.doi.org/10.51580/2023-3.2710-1185.34.

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A high pharmacological ability of aromatic benzaldehydes makes them important intermediates for the synthesis of medicinal preparations, such as anticancer, bactericidal, antifungal, and herbicidal drugs. The purpose of this work is the synthesis of biologically active compounds, based on 4-hydroxybenzaldehyde and 4-hydroxy-3-methoxybenzaldehyde and the establishment of the structure of the synthesized compounds. Results and discussion. New carbonodithioates, based on O-aromatic systems have been synthesized by the interaction of 4-hydroxybenzaldehyde and 4-hydroxy-3-methoxybenzaldehyde with c

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14

Tran, Hieu Quang, Hien Cao Nguyen, Thin Van Nguyen, Thanh Thi Nguyen, Toan Ngoc Vo, and Cong Tien Nguyend. "Synthesis and Evaluation of Cytotoxic Activity on Mcf-7 Cell Line of Some Diesters Derived from 5-(Hydroxybenzylidene)Thiazolidine-2,4-Diones." Acta Chemica Iasi 26, no. 2 (2018): 233–48. http://dx.doi.org/10.2478/achi-2018-0015.

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Abstract Knoevenagel condensation of thiazolidine-2,4-dione, which were prepared from chloroacetic acid and thioure by 1,3 dipolar cycloaddition reaction, with 2-hydroxybenzaldehyde, 5-bromo-2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde and 4-hydoxy-3-methoxybezaldehyde gave five corresponding 5-(hydroxybenzylidene)thiazolidine-2,4-dione compounds. The reaction of 5-(hydroxybenzylidene)thiazolidine-2,4-diones and ethyl chlorofomate or ethyl chloroacetate occurred at both NH and OH centers and gave ten corresponding diesters. The structures of the diesters were confirmed b

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15

Tooke, Duncan M., and Anthony L. Spek. "3,5-Di-tert-butyl-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 60, no. 5 (2004): o766—o767. http://dx.doi.org/10.1107/s160053680400830x.

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16

Chu, Zhao-Lian, Wei Huang, Kai Cui, and Shao-Hua Gou. "3,5-Di-tert-butyl-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 60, no. 6 (2004): o1043—o1045. http://dx.doi.org/10.1107/s1600536804012036.

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17

Lo, Kong Mun, and Seik Weng Ng. "5-Chloro-2-hydroxybenzaldehyde 4-ethylthiosemicarbazone." Acta Crystallographica Section E Structure Reports Online 67, no. 6 (2011): o1453. http://dx.doi.org/10.1107/s160053681101796x.

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18

Li, Zhaoyang, and Osamu Sato. "5-Bromo-2-hydroxybenzaldehyde 4-ethylthiosemicarbazone." Acta Crystallographica Section E Structure Reports Online 69, no. 5 (2013): o762. http://dx.doi.org/10.1107/s1600536813008787.

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19

Wang, Li-Hua, Fan-Yuan Kong, and Xi-Shi Tai. "Crystal Structure and Catalytic Activity of Poly[bis(3-bromo-2-hydroxybenzaldehyde)-2-aminopyrimidinemagnesium(II)] for Hydrogenation of 1,3-Butadiene." Bulletin of Chemical Reaction Engineering & Catalysis 16, no. 2 (2021): 260–66. http://dx.doi.org/10.9767/bcrec.16.2.10421.260-266.

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A new six-coordinated Mn(II) coordination polymer, [Mn(L1)(L2)2]n (L1 = 2-aminopyrimidine, HL2 = 3-bromo-2-hydroxybenzaldehyde) was synthesized by 3-bromo-2-hydroxybenzaldehyde, NaOH, 2-aminopyrimidine and manganese(II) acetate dihydrate. The Mn(II) coordination polymer was structural characterized by elemental analysis and single crystal X-ray diffraction. The results show that each Mn(II) ion is six-coordinated with two phenolic hydroxyl O atoms from two 3-bromo-2-hydroxybenzaldehyde ligands (O1 and O4), two formyl group O atoms from two 3-bromo-2-hydroxybenzaldehyde ligands (O2 and O3), and

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20

Dong, Lei, Handong Yin, Liyuan Wen та Daqi Wang. "Bis(2-hydroxybenzaldehyde oximato-κO)triphenylantimony(V)". Acta Crystallographica Section E Structure Reports Online 65, № 11 (2009): m1438. http://dx.doi.org/10.1107/s1600536809043542.

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21

Balasubramani, V., T. Vinuchakkaravarthy, Sreeraj Gopi, S. Narasimhan, and D. Velmurugan. "3-Bromo-5-tert-butyl-2-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 67, no. 12 (2011): o3375. http://dx.doi.org/10.1107/s1600536811048847.

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22

Roman, Gheorghe. "Salicylaldehydes Derived from 5-Chloromethyl-2-hydroxybenzaldehyde – Synthesis and Reactions." Chemistry & Chemical Technology 17, no. 3 (2023): 532–41. http://dx.doi.org/10.23939/chcht17.03.532.

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A series of salicylaldehydes have been prepared through the replacement of the easily leaving chlorine atom in 5-chloromethyl-2-hydroxybenzaldehyde with various O-, S- or N-nucleophiles. The involvement of a few of these salicylaldehydes in the synthesis of heterocycles such as benzofuran or coumarin, or as substrate in the Petasis borono-Mannich reaction has been explored.

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23

Yildiz, Mustafa, Aşkin Kĺraz, and Başaran Dülger. "Synthesis and antimicrobial activity of new crown ethers of Schiff base type." Journal of the Serbian Chemical Society 72, no. 3 (2007): 215–24. http://dx.doi.org/10.2298/jsc0703215y.

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New crown ether ligands of the Schiff base type (4a-d) were synthesized by the reaction of 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde and 2-hydroxy-1-naphthaldehyde with 6,7-dihydro-13H-dibenzo [e,h] [1,4]dioxonin-2,11-diamine (3). The structures of ligands were investigated by elemental analysis as well as IR, UV-visible, 1H-NMR, 13C-NMR and MS spectroscopic data. The antimicrobial and anti-yeast activities of the ligands were screened in vitro against the organisms Escherichia coli ATCC 11230, Staphylococcus aureus ATCC 6538, Klebsiella pneumoniae UC57, Micrococcus l

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24

Silva, Manuela Ramos, José A. Paixão, Ana Matos Beja, Abílio J. F. N. Sobral, and A. M. d'A Rocha Gonsalves. "A new polymorph of 2-bromo-5-hydroxybenzaldehyde." Acta Crystallographica Section E Structure Reports Online 60, no. 1 (2003): o84—o85. http://dx.doi.org/10.1107/s1600536803028083.

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25

Verma, Anand Mohan, and Nanda Kishore. "Molecular simulations of palladium catalysed hydrodeoxygenation of 2-hydroxybenzaldehyde using density functional theory." Physical Chemistry Chemical Physics 19, no. 37 (2017): 25582–97. http://dx.doi.org/10.1039/c7cp05113a.

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26

Ghandi, Mehdi, Parham Asgari, Abuzar Taheri, and Alireza Abbasi. "One-pot, three-component condensation of 2-hydroxybenzaldehyde derivatives, primary amines with alkyl isocyanides to N-alkyl-2-(2-hydroxyphenyl)-2-imino-acetamides." Open Chemistry 8, no. 4 (2010): 899–905. http://dx.doi.org/10.2478/s11532-010-0054-7.

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AbstractOne-pot, three-component condensation of 2-hydroxybenzaldehyde derivatives, primary amines with alkyl isocyanides is reported. N-alkyl-2-(2-hydroxyphenyl)-2-iminoacetamide derivatives are generated presumably via the preliminary formation of N, N′-disubstituted benzo[b]furan-2,3-diamines and subsequent oxidation with molecular oxygen.

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27

Sadık, Genç, Dege Necmi, Yılmaz Ibrahim, Çukurovalı Alaaddin, and Muharrem Dinçer. "5-Bromo-2-hydroxybenzaldehyde (4-phenyl-1,3-thiazol-2-yl)hydrazone." Acta Crystallographica Section E Structure Reports Online 60, no. 5 (2004): o889—o891. http://dx.doi.org/10.1107/s1600536804009705.

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28

Ramazani, Ali, Vahid Azizkhani, and Farideh Gouranlou. "Tributylphosphine-Catalyzed Stereoselective O-Vinylation of 2-Hydroxybenzaldehyde Derivatives." Phosphorus, Sulfur, and Silicon and the Related Elements 185, no. 4 (2010): 719–24. http://dx.doi.org/10.1080/10426500902922941.

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29

Zhao, Lin-xiu, Jian-lan Cui, and Duan-lin Cao. "3-Ethoxy-2-hydroxybenzaldehyde 2,4-dinitrophenylhydrazoneN,N-dimethylformamide monosolvate." Acta Crystallographica Section E Structure Reports Online 66, no. 9 (2010): o2205. http://dx.doi.org/10.1107/s1600536810029983.

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30

Dragancea, Diana, Sergiu Shova, Éva A. Enyedy, et al. "Copper(II) complexes with 1,5-bis(2-hydroxybenzaldehyde)carbohydrazone." Polyhedron 80 (September 2014): 180–92. http://dx.doi.org/10.1016/j.poly.2014.03.039.

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31

Ebrahimi, A., S. M. Habibi, and R. S. Neyband. "Substituent effect on intramolecular hydrogen bonding in 2-hydroxybenzaldehyde." International Journal of Quantum Chemistry 109, no. 6 (2009): 1274–82. http://dx.doi.org/10.1002/qua.21947.

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32

Nagamoto, Midori, and Takahiro Nishimura. "Stereoselective hydroacylation of bicyclic alkenes with 2-hydroxybenzaldehydes catalyzed by hydroxoiridium/diene complexes." Chemical Communications 51, no. 72 (2015): 13791–94. http://dx.doi.org/10.1039/c5cc05432j.

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A hydroxoiridium complex coordinated with 1,5-cyclooctadiene efficiently catalyzed the hydroacylation of bicyclic alkenes with 2-hydroxybenzaldehyde and its derivatives in high yields with high stereoselectivity.

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33

Kang, Nalae, Seong-Yeong Heo, Seon-Heui Cha, Ginnae Ahn, and Soo-Jin Heo. "In Silico Virtual Screening of Marine Aldehyde Derivatives from Seaweeds against SARS-CoV-2." Marine Drugs 20, no. 6 (2022): 399. http://dx.doi.org/10.3390/md20060399.

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Coronavirus disease 2019, caused by the outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is an ongoing global pandemic that poses an unprecedented threat to the global economy and human health. Several potent inhibitors targeting SARS-CoV-2 have been published; however, most of them have failed in clinical trials. This study aimed to assess the therapeutic compounds among aldehyde derivatives from seaweeds as potential SARS-CoV-2 inhibitors using a computer simulation protocol. The absorption, distribution, metabolism, excretion, and toxicity (ADME/Tox) properties of t

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34

Valarmathy, G., R. Subbalakshmi, B. Sabarika, and C. Nisha. "Schiff bases derived from 4-amino-N-substituted benzenesulfonamide: synthesis, spectral characterisation and MIC evaluation." Bulletin of the Chemical Society of Ethiopia 35, no. 2 (2021): 435–48. http://dx.doi.org/10.4314/bcse.v35i2.16.

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ABSTRACT. The present study is aimed to synthesise Schiff bases from sulfathiazole/ sulfamethoxazole/ sulfadimidine with 2-hydroxybenzaldehyde. The synthesized Schiff bases were characterized by analytical data, IR, 1H-NMR, 13C-NMR, UV-Vis spectra, mass spectra and screened for antibacterial activity against gram positive bacteria Staphylococcus aureus and gram negative bacteria Salmonella typhiand antifungal activity against Candida albicans and Mucor by disc diffusion method. Zone of inhibition indicated that the Schiff base possessed highly potent antimicrobial activity when compared to sul

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35

Kuranov, Sergey O., Mariya K. Marenina, Mikhail V. Khvostov, Olga A. Luzina, Tatiana G. Tolstikova, and Nariman F. Salakhutdinov. "(1R,2R,4R)-N-((4-((4-(2-carboxyethyl)phenoxy)methyl)thiophen-2-yl)methyl)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-aminium Chloride." Molbank 2023, no. 2 (2023): M1617. http://dx.doi.org/10.3390/m1617.

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A novel free fatty acid receptor 1 (FFAR1) agonist has been synthesized and evaluated in vitro. The synthesis of the title compound was performed from commercially available 4-hydroxybenzaldehyde, 2-thiophenecarboxaldehyde, and (+)-camphor. The compound was shown to have an affinity to FFAR1.

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36

Hsu, Day-Shin, and Chang-Yan Liou. "Total synthesis and structural revision of (±)-nidemone." Organic & Biomolecular Chemistry 16, no. 27 (2018): 4990–95. http://dx.doi.org/10.1039/c8ob01207e.

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37

Shaheen, Muhammad Ashraf, M. Nawaz Tahir, Rana Muhammad Irfan, Shahid Iqbal, and Mahreen Zaneb. "2-[(E)-N-(Adamantan-1-yl)carboximidoyl]-6-ethoxyphenol." Acta Crystallographica Section E Structure Reports Online 68, no. 8 (2012): o2588. http://dx.doi.org/10.1107/s1600536812033594.

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In the title compound, C19H25NO2, the 3-ethoxy-2-hydroxybenzaldehyde group is almost planar (r.m.s. deviation = 0.029 Å). An intramolecular O—H...N hydrogen bond generates anS(6) ring. There are no intermolecular hydrogen bonds.

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38

Genç, Sadık, Necmi Dege, IbrahimYılmaz Yılmaz, Alaaddin Çukurovalı, and Muharrem Dinçer. "5-Bromo-2-hydroxybenzaldehyde (4-phenyl-1,3-thiazol-2-yl)hydrazone. Erratum." Acta Crystallographica Section E Structure Reports Online 60, no. 6 (2004): e10-e10. http://dx.doi.org/10.1107/s1600536804011493.

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39

Kavlentis, E. "Spectrophotometric Determination of Periodate by Means of 2-Hydroxybenzaldehyde Guanylhydrazone (2-HBGH)." Analytical Letters 21, no. 1 (1988): 145–50. http://dx.doi.org/10.1080/00032718808082030.

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40

Bharanidharan, S., H. Saleem, A. Nathiya, A. Arokiasamy, and V. Thanikachalam. "Spectroscopic Investigations of (E)-5-(2-Phenyldiazenyl)-2-Hydroxybenzaldehyde Using DFT Method." International Letters of Chemistry, Physics and Astronomy 60 (September 2015): 168–81. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.60.168.

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The Spectral Characterization of (E)-5-(2-phenyldiazenyl)-2-hydroxy benzaldehyde (PDHB) were carried out by using FT-IR, FT-Raman and UV-Vis spectroscopic techniques. All the recorded spectral results were compared with calculated results. The optimization has been performed on the title compound using B3LYP/6-311++G(d,p) level of theory. The optimized bond parameters of PDHB molecule was compared with X-ray diffraction data of related molecule. To study the intra-molecular charge transfers within the molecule the Lewis (bonding) and Non-Lewis (anti-bonding) structural calculation was performe

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41

Bharanidharan, S., H. Saleem, A. Nathiya, A. Arokiasamy, and V. Thanikachalam. "Spectroscopic Investigations of (E)-5-(2-Phenyldiazenyl)-2-Hydroxybenzaldehyde Using DFT Method." International Letters of Chemistry, Physics and Astronomy 60 (September 30, 2015): 168–81. http://dx.doi.org/10.56431/p-qw29cd.

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The Spectral Characterization of (E)-5-(2-phenyldiazenyl)-2-hydroxy benzaldehyde (PDHB) were carried out by using FT-IR, FT-Raman and UV-Vis spectroscopic techniques. All the recorded spectral results were compared with calculated results. The optimization has been performed on the title compound using B3LYP/6-311++G(d,p) level of theory. The optimized bond parameters of PDHB molecule was compared with X-ray diffraction data of related molecule. To study the intra-molecular charge transfers within the molecule the Lewis (bonding) and Non-Lewis (anti-bonding) structural calculation was performe

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42

Bazanov, Daniil R., Egor D. Korolyov, Konstantin A. Lyssenko, and Natalia A. Lozinskaya. "Octahedral Oxo-Bridged Tri-Nickel(II) Complex with 1,3,5-Tris(2-hydroxyphenyl)-2,4-diazapenta-1,3-diene." Molbank 2025, no. 1 (2024): M1945. https://doi.org/10.3390/m1945.

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An octahedral nickel(II) complex of 1,3,5-tris(2-hydroxyphenyl)-2,4-diazapenta-1,3-diene was obtained and characterized by X-ray crystallography. The organic ligand was obtained by the reaction of 2-hydroxybenzaldehyde with aqueous ammonia solution.

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43

Dragancea, Diana, Vladimir B. Arion, and Sergiu Shova. "Synthesis, Characterization and Crystal Structure of Bis-(2-Hydroxybenzaldehyde)Diaminoguanizone." Chemistry Journal of Moldova 3, no. 2 (2008): 119–21. http://dx.doi.org/10.19261/cjm.2008.03(2).13.

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The new ligand, bis(2-hydroxybenzaldehyde)diaminoguanizone (1) has been synthesized and characterized by elemental analysis, IR and 1H NMR spectroscopies. The crystal structure of the compound was determined by X-ray diffraction. The ligand C15H15N5O2·C2H5OH crystallizes in the monoclinic space group P21/c with unit cell parameters a = 8.9102(3), b = 10.0357(3), c = 19.7618(6) Å, β = 98.385(2)°, Z = 4, V = 1748.21(9) Å3, R1 = 0.040. The amino form of the ligand adopts a planar conformation stabilized by two intramolecular hydrogen bonds of the type O–H···N, in which the H atoms of the central

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44

Kurt, Y. D., G. S. Pozan, İ. Kızılcıklı, and B. Ülküseven. "Dioxomolybdenum(VI) complexes of 2-hydroxybenzaldehyde 4-phenyl-S-methylthiosemicarbazone." Russian Journal of Coordination Chemistry 33, no. 11 (2007): 844–49. http://dx.doi.org/10.1134/s1070328407110097.

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45

Etemadi, Bijan, Reza Kia, Hashem Sharghi, and Mona Hosseini Sarvari. "Bis(2-hydroxybenzaldehyde oxime)O,O′-butane-1,4-diyldicarbonyl ether." Acta Crystallographica Section E Structure Reports Online 65, no. 6 (2009): o1309. http://dx.doi.org/10.1107/s1600536809016663.

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The molecule of the title compound, C20H20N2O6, lies across a crystallographic inversion centre, the asymmetric unit comprising one half-molecule. An intramolecular O—H...N hydrogen bond generates a six-membered ring, producing anS(6)ring motif. Pairs of intermolecular C—H...O hydrogen bonds link neighbouring molecules into a layer withR22(38) ring motif. The crystal structure is further stabilized by the intermolecular C—H...π interactions.

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46

Pouramini, Zeinab, and Ali Moradi. "Structural and orthoselectivity study of 2-hydroxybenzaldehyde using spectroscopic analysis." Arabian Journal of Chemistry 5, no. 1 (2012): 99–102. http://dx.doi.org/10.1016/j.arabjc.2010.08.002.

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47

Dauchy, Maxime, Michel Ferreira, Jérôme Leblond та ін. "New water-soluble Schiff base ligands based on β-cyclodextrin for aqueous biphasic hydroformylation reaction". Pure and Applied Chemistry 90, № 5 (2018): 845–55. http://dx.doi.org/10.1515/pac-2017-1205.

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Abstract The synthesis of water-soluble rhodium(I) salicylaldiminato and salicylhydrazonic complexes has been achieved employing two preparative routes. Schiff base condensation between 6A-deoxy-6A-amino-β-CD or 6A-deoxy-6A-hydrazino-β-CD and 5-sodiosulfonato-2-hydroxybenzaldehyde (sulfonated salicylaldehyde) (1) or 5-sodiosulfonato-3-tert-butyl-2-hydroxybenzaldehyde (sulfonated tBu-salicylaldehyde) (2) led to the formation of the corresponding imine or hydrazone ligands (3, 4, 5 and 6). Reaction of [Rh(COD)2+BF4−] with these new ligands in an alkaline solution formed the corresponding rhodium

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48

Zhao, Meili. "Synthesis and Crystal Structure of 3-Bromo-2- hydroxybenzaldehyde-2-pyridinecarboxylic acid hydrazone." IOP Conference Series: Earth and Environmental Science 632 (January 14, 2021): 052034. http://dx.doi.org/10.1088/1755-1315/632/5/052034.

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49

Pinedo, Alfonso, Mariana López, Elisa Leyva, Brenda Zermeño, Benito Serrano, and Edgar Moctezuma. "Photocatalytic Decomposition of Metoprolol and Its Intermediate Organic Reaction Products: Kinetics and Degradation Pathway." International Journal of Chemical Reactor Engineering 14, no. 3 (2016): 809–20. http://dx.doi.org/10.1515/ijcre-2015-0132.

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Abstract:

Abstract High purity metoprolol prepared by neutralization of an aqueous solution of metoprolol tartrate is efficiently mineralized to CO2 and water by photocatalysis with TiO2, UV light and a constant flow rate of oxygen. Since the tartrate anions were eliminated, all the HO• generated by photocatalysis reacted efficiently with the aromatic part of the medication. The reaction pathway includes two routes of degradation. The first one includes the transformation of metoprolol to hydroquinone via formation of 4-(2-methoxyethyl)phenol, 2-(4-hydroxyphenyl)ethanol and 4-hydroxybenzaldehyde. Metopr

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Dietz, Christian, Frank W. Heinemann, and Andreas Grohmann. "Uniform Sidearm Derivatisations in a Tetrapodal Pentaamine: Ligands with NN4 O4 Donor Sets, and a Bis(Ferrocenecarbaldehyde Aminal)." Zeitschrift für Naturforschung B 55, no. 11 (2000): 1037–44. http://dx.doi.org/10.1515/znb-2000-1109.

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Abstract:

The tetrapodal pentaamine 2,6-C5H3N[CMe(CH2NH2)2]2 (pyN4, 1) readily reacts with four equivalents of 2-hydroxyphenyl-substituted carbonyl compounds, such as (i) 2-hydroxybenzaldehyde, (ii) 2,4-dihydroxybenzaldehyde, (iii) 3,5-di-rm-butyl-2-hydroxybenzaldehyde, and (iv) 2-hydroxyacetophenone, to give the corresponding Schiff base derivatives with N N 4O .1 donor sets (i: 2; ii: 3, iii: 4; iv: 5). With ligand 5, two transition metal complexes (M = Ni11 (6), Cu11 (7)) have been isolated, which are dinuclear and contain square-planar M(N2O2) units, linked by a pyridine-derived spacer whose nitroge

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