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Journal articles on the topic 'Octa Acid'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Wang, H. Y., та H. Schulz. "β-oxidation of polyunsaturated fatty acids with conjugated double bonds. Mitochondrial metabolism of octa-2,4,6-trienoic acid". Biochemical Journal 264, № 1 (1989): 47–52. http://dx.doi.org/10.1042/bj2640047.

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The mitochondrial beta-oxidation of octa-2,4,6-trienoic acid was studied with the aim of elucidating the degradation of unsaturated fatty acids with conjugated double bonds. Octa-2,4,6-trienoic acid was found to be a respiratory substrate of coupled rat liver mitochondria, but not of rat heart mitochondria. Octa-2,4,6-trienoyl-CoA, the product of the inner-mitochondrial activation of the acid, was chemically synthesized and its degradation by purified enzymes of beta-oxidation was studied spectrophotometrically and by use of h.p.l.c. This compound is a substrate of NADPH-dependent 2,4-dienoyl-

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2

Yuksel, Fatma, Sinem Tuncel, and Vefa Ahsen. "Synthesis and characterizations of peripheral octa-amino and octa-amidophthalocyanines." Journal of Porphyrins and Phthalocyanines 12, no. 02 (2008): 123–30. http://dx.doi.org/10.1142/s1088424608000169.

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Novel 2,3,9,10,16,17,23,24-octaamino substituted Ni(II) phthalocyanine (2) was synthesized from tosylamido (tosyl: toluene-p-sulphonyl) derivative by the cleavage of tosyl groups in the presence of 90% sulfuric acid. Octa-hexanoylamido Ni(II) phthalocyanine (3a) and octa-lauroylamido Ni(II) phthalocyanine (3b) were obtained by reacting of octa-amino Ni(II) phthalocyanine (2) with hexanoyl chloride and lauroyl chloride, respectively. The new compounds have been characterized by elemental analysis, FT-IR, NMR and UV-vis spectroscopy and mass spectrometry. The aggregation behaviors of new compoun

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3

Petrov, Oleg A., Aleksandr S. Semeykin, Mariya V. Shilovskaya, and Tatiana V. Lyubimova. "SPECIFIC NATURE OF ACID-BASE INTERACTION OF OCTA(4-TERT-BUTYLPHENYL)TETRAPYRAZINOPORPHYRAZINE WITH ORGANIC PROTON-ACCEPTOR MOLECULES IN BENZENE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 3 (2021): 33–40. http://dx.doi.org/10.6060/ivkkt.20216403.6327.

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The reaction of acid-base interaction of octa(4-tert-butylphenyl)tetrapyrazinophosphyrazine with pyridine, 2-methylpyridine, morhpoline, pipyridine, n-butylamine, tert-butylamine, diethylamine, triethylamine and dimethylsulfoxide in benzene was investigated. It is shown that the researched porphyrazine forms kinetically stable proton transfer complexes with pyridine, 2-methylpyridine, morpholine and dimethylsulfoxide. In benzene-base system an acid-base equilibrium between the molecular form of octa(4-tert-butylphenyl)tetrapyrazinoporphyrazine and its proton transfer complex was established. T

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4

Liu, Simin, Sarah E. Whisenhunt-Ioup, Corinne L. D. Gibb, and Bruce C. Gibb. "An improved synthesis of ‘octa-acid’ deep-cavity cavitand." Supramolecular Chemistry 23, no. 6 (2011): 480–85. http://dx.doi.org/10.1080/10610278.2010.550290.

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5

Li, Yuhuan, Yujing Li, Xinmei Wang, Robert J. Lee, and Lesheng Teng. "Fatty acid modified octa-arginine for delivery of siRNA." International Journal of Pharmaceutics 495, no. 1 (2015): 527–35. http://dx.doi.org/10.1016/j.ijpharm.2015.09.006.

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6

Chakraborty, Debdutta, and Pratim Kumar Chattaraj. "Host-guest interactions between octa acid and cations/nucleobases." Journal of Computational Chemistry 39, no. 3 (2017): 161–75. http://dx.doi.org/10.1002/jcc.25097.

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7

Choudhury, Rajib, and Vaidhyanathan Ramamurthy. "Understanding the complexation of aliphatic and aromatic acids guests with octa acid." Journal of Physical Organic Chemistry 31, no. 5 (2017): e3795. http://dx.doi.org/10.1002/poc.3795.

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8

Ghafuri, Hossein, Fatemeh Ganjali, and Peyman Hanifehnejad. "Cu.BTC MOF as a Novel and Efficient Catalyst for the Synthesis of 1,8-Dioxo-octa-hydro Xanthene." Chemistry Proceedings 3, no. 1 (2020): 2. http://dx.doi.org/10.3390/ecsoc-24-08359.

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: A copper-based metal-organic framework with 1,3,5-tricarboxylic acid linkers was prepared through a facile hydrothermal method. This MOF has not been used in organic reactions widely. Cu.BTC was employed as an affordable, competent heterogeneous catalyst in 1,8-dioxo-octa-hydro xanthene synthesis. Additionally, the structure, morphology, and porosity of this catalyst were considered. Various techniques such as FE-SEM, BET, EDS, FT-IR, and XRD applied to this aim. As a result, Cu.BTC had a mesoporous structure, an excellent specific surface area, and high purity. Some privileges of using this

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9

Santos, Fabiano S., Elamparuthi Ramasamy, V. Ramamurthy, and Fabiano S. Rodembusch. "Photoinduced electron transfer across an organic molecular wall: octa acid encapsulated ESIPT dyes as electron donors." Photochemical & Photobiological Sciences 16, no. 6 (2017): 840–44. http://dx.doi.org/10.1039/c7pp00065k.

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Efficient photoinduced electron transfer from proton transfer dyes encapsulated within water soluble supramolecular host octa acid to electron acceptors present outside the capsule was observed in aqueous solution.

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10

Osipova, Galina V., and Oleg A. Petrov. "CATALYTIC INFLUENCE OF NITROGEN-CONTAINING BASE ON COMPLEXATION OF OCTA(m-TRIFLUOROMETHYLPHENYL)PORPHYRAZINE AND HEXA(m-TRIFLUOROMETHYLPHENYL)BENZOPORPHYRASINE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 6 (2020): 4–11. http://dx.doi.org/10.6060/ivkkt.20206306.6186.

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The review presents data on the complexation of octa(m-trifluoromethylphenyl)porphy-razine and hexa(m-trifluoromethylphenyl)benzoporphyrazine with zinc acetate in a system nitrogen-containing base - benzene. It was shown that the investigated porphyrazines, having pronounced acidic properties at the incyclic NH bonds, interact with n-butylamine, tret-butylamine, morpholine and piperidine in benzene with the formation of proton-transfer complexes. In these complexes, the intocyclic protons of the NH-groups associated with the oxygen atom of the dimethyl sulfoxide molecule and the intocyclic nit

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11

Santos, Fabiano S., Elamparuthi Ramasamy, V. Ramamurthy, and Fabiano S. Rodembusch. "Correction: Photoinduced electron transfer across an organic molecular wall: octa acid encapsulated ESIPT dyes as electron donors." Photochemical & Photobiological Sciences 16, no. 8 (2017): 1335. http://dx.doi.org/10.1039/c7pp90026k.

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Correction for ‘Photoinduced electron transfer across an organic molecular wall: octa acid encapsulated ESIPT dyes as electron donors’ by Fabiano S. Santos et al., Photochem. Photobiol. Sci., 2017, 16, 840–844.

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12

Gupta, Shipra, Yaopeng Zhao, Ramkumar Varadharajan, and V. Ramamurthy. "Competitive Binding of Organic Dyes between Cucurbiturils and Octa Acid." ACS Omega 3, no. 5 (2018): 5083–91. http://dx.doi.org/10.1021/acsomega.8b00433.

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13

Gibb, Corinne L. D., and Bruce C. Gibb. "Binding of cyclic carboxylates to octa-acid deep-cavity cavitand." Journal of Computer-Aided Molecular Design 28, no. 4 (2013): 319–25. http://dx.doi.org/10.1007/s10822-013-9690-2.

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14

Zhang, Youning, Jennifer Danesh, Kyle M. Green, et al. "Bilateral Choroidal Neovascularization and Chorioretinal Anastomosis in Autosomal Recessive Bestrophinopathy." Journal of VitreoRetinal Diseases 4, no. 1 (2019): 69–74. http://dx.doi.org/10.1177/2474126419880383.

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Purpose: This case report discusses a case of bilateral chorioretinal anastomoses in autosomal recessive bestrophinopathy (ARB) unresponsive to antivascular endothelial growth factor therapy and its associated optical coherence tomography angiography (OCTA) findings. Methods: An observational case report is presented. Results: An 8-year-old girl initially presented at age 2 years with multifocal midperipheral yellow subretinal deposits with intraretinal and subretinal fluid. She was treated with intravitreal injections of bevacizumab in both eyes with minimal response. OCTA revealed the presen

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15

Abo-Ghalia, Mohamed H., Abd El-Galil E. Amr та Mohamed M. Abdalah. "Synthesis of Some New (Nα-Dipicolinoyl)-bis-L-leucyl-DL-norvalyl Linear tetra and Cyclic octa Bridged Peptides as New Antiinflammatory Agents". Zeitschrift für Naturforschung B 58, № 9 (2003): 903–10. http://dx.doi.org/10.1515/znb-2003-0912.

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In continuation to our search for new amino acid and peptide based anti-inflammatory agents, the suggestion, synthesis, structure elucidation of some Nα -bis-dipicolinoyl amino acids, linear tetra and cyclic octa bridged peptides 1-9, of which four are new compounds 6-9, were herein realized. Accordingly, Nα -bis-dipicolinoyl-L-leucine methyl ester 1, the corresponding acid 2, its bis-DL-norvalyl methyl ester homologue 3, the acid 4 and hydrazide 5 analogues were conventionally prepared.The tetrachlorophthalic acid hydrazine conjugate 6, anisaldehyde hydrazone 7, the benzenetetracarboxylic aci

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16

France, Richard M., Robert D. Short, Rebecca A. Dawson, and Sheila Macneil. "Attachment of human keratinocytes to plasma co-polymers of acrylic acid/octa-1,7-diene and allyl amine/octa-1,7-diene." Journal of Materials Chemistry 8, no. 1 (1998): 37–42. http://dx.doi.org/10.1039/a705098d.

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17

Tarakci, Deniz Kutlu, İlke Gürol, and Vefa Ahsen. "2,2,3,3-Tetrafluoropropoxy substituted oxo-titanium phthalocyanines axially ligated with common MALDI matrix materials." Journal of Porphyrins and Phthalocyanines 17, no. 06n07 (2013): 548–54. http://dx.doi.org/10.1142/s1088424613500399.

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The synthesis of tetra and octa 2,2,3,3-tetrafluoropropoxy substituted oxo-titanium phthalocyanines (TiOPc) are reported. Using strongly chelating oxygen donor ligands, the reactions of TiOPc with catecholate (1a, 2a), 4-nitrocatecholate (1b, 2b) and caffeic acid (1c, 2c), ellagic acid (1d, 2d) and chlorogenic acid (1e, 2e) are described. The new compounds were characterized by mass, 1 H NMR, FT-IR, and UV-vis spectroscopic techniques as well as elemental analysis.

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18

Boese, R., W. R. Roth, D. Bläser, R. Latz, and A. Bäumen. "cis-8-Methylbicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic Acid at 293K." Acta Crystallographica Section C Crystal Structure Communications 54, no. 12 (1998): IUC9800069. http://dx.doi.org/10.1107/s0108270198099089.

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19

Gallicchio, Emilio, Haoyuan Chen, He Chen, et al. "BEDAM binding free energy predictions for the SAMPL4 octa-acid host challenge." Journal of Computer-Aided Molecular Design 29, no. 4 (2015): 315–25. http://dx.doi.org/10.1007/s10822-014-9795-2.

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20

Sullivan, Matthew R., Wei Yao, and Bruce C. Gibb. "The thermodynamics of guest complexation to octa-acid and tetra-endo-methyl octa-acid: reference data for the sixth statistical assessment of modeling of proteins and ligands (SAMPL6)." Supramolecular Chemistry 31, no. 3 (2018): 184–89. http://dx.doi.org/10.1080/10610278.2018.1549327.

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21

Osipova, Galina V., and Oleg A. Petrov. "CATALYTIC INFLUENCE OF PYRIDINE ON COMPLEX-FORMING ABILITY OF OCTA(m-THREEFLUOROMETHYLPHENYL)PORPHYRAZINE AND HEXA(m-THREEFLUOROMETHYLPHENYL)BENZOPORPHYRASINE WITH ZINC ACETATE IN BENZENE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 7 (2018): 31. http://dx.doi.org/10.6060/ivkkt.20186107.5701.

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The complexation of octa(m-threefluoromethylphenyl)porphyrazine and hexa(m-three-fluoromethylphenyl)benzoporphyrazine with zinc acetate in the pyridine-benzene system was studied. It was preliminary established that the electron absorption spectrum of octa(m-threefluoromethylphenyl)porphyrazine and hexa(m-threefluoromethylphenyl)benzoporphyrazine in benzene contains a split Q-line in the visible spectrum, which is typical for the D2h symmetry of the π-chromophore of the molecule. The kinetically controlled reaction of formation of the zinc complex with the studied porphyrazines is observed onl

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22

Linforth, Robert S. T., W. Russell Bowman, David A. Griffin, Peter Hedden, Brian A. Marples, and Ian B. Taylor. "2,7-dimethyl-octa-2,4-dienedioic acid a possible by-product of abscisic acid biosynthesis in the tomato." Phytochemistry 26, no. 6 (1987): 1631–34. http://dx.doi.org/10.1016/s0031-9422(00)82259-1.

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23

Bariamis, Stavros E., George E. Magoulas, Constantinos M. Athanassopoulos, Dionissios Papaioannou, Manolis J. Manos, and Vassilios Nastopoulos. "(2E,4E,6E)-3-Methyl-7-(pyren-1-yl)octa-2,4,6-trienoic acid." Acta Crystallographica Section E Structure Reports Online 65, no. 10 (2009): o2580. http://dx.doi.org/10.1107/s1600536809038409.

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24

Ilgün, Cidal, Altuğ Mert Sevim, Soner Çakar, Mahmut Özacar, and Ahmet Gül. "Novel Co and Zn-Phthalocyanine dyes with octa-carboxylic acid substituents for DSSCs." Solar Energy 218 (April 2021): 169–79. http://dx.doi.org/10.1016/j.solener.2021.02.042.

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25

Yao, Nian-Tao, Ru-Fen Zhang, Shao-Liang Zhang, Qian-Li Li, and Chun-Lin Ma. "A novel octa-nuclear 32-membered zirconocene macrocycle based on the aromatic selenite." Dalton Transactions 46, no. 2 (2017): 524–28. http://dx.doi.org/10.1039/c6dt04061f.

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A novel macrocyclic zirconocene(iv) aromatic selenite [(CpZr)<sub>8</sub>L<sub>16</sub>]·2(Cp<sub>4</sub>Zr<sub>2</sub>(μ-O)Cl<sub>2</sub>) (complex 1) (Cp = cyclopentadienyl anion; L = 4-fluorobenzeneseleninic acid) was prepared by the reaction of bis(cyclopentadienyl)zirconium dichloride with 4-fluorobenzeneseleninic acid and characterized by elemental analysis, infrared spectroscopy, <sup>1</sup>H, <sup>13</sup>C NMR spectroscopy, ESI-MS, XRD and X-ray diffraction.

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26

Das, Aritra, Gaurav Sharma, Nareshbabu Kamatham, Rajeev Prabhakar, Pratik Sen, and Vaidhyanathan Ramamurthy. "Ultrafast Solvation Dynamics Reveal that Octa Acid Capsule’s Interior Dryness Depends on the Guest." Journal of Physical Chemistry A 123, no. 28 (2019): 5928–36. http://dx.doi.org/10.1021/acs.jpca.9b04626.

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27

Sullivan, Matthew R., Punidha Sokkalingam, Thong Nguyen, James P. Donahue, and Bruce C. Gibb. "Binding of carboxylate and trimethylammonium salts to octa-acid and TEMOA deep-cavity cavitands." Journal of Computer-Aided Molecular Design 31, no. 1 (2016): 21–28. http://dx.doi.org/10.1007/s10822-016-9925-0.

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28

Zhang, Xiao Hui, Wen Juan Gu, Hou Bin Li, Yi Xiang Tang, and Long Qi Wu. "Synthesis and Characterization of Star-Shaped Polylactic Acid with Polyhedral Oligomeric Silsesquioxanes." Applied Mechanics and Materials 200 (October 2012): 397–400. http://dx.doi.org/10.4028/www.scientific.net/amm.200.397.

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A series of star-shaped polylactic acid was synthesized using L-lactic acid (L-LA) and octa(γ-chloroammoniumpropyl) octasilsesquioxane (POSS-NH3Cl) by in the presence of stannous(II) octanoate (Sn(Otc)2) catalyst. The structures and properties of these dendritic polymers were characterized by FTIR, 1H-NMR and TGA, respectively. These results demonstrated that the chemical reaction between POSS-NH3Cl and L-LA had been taken place, and the novel star-shaped polylactic acid (POSS-g-PLLA) had been synthesized. And thermal properties, such as melting temperature and decomposition temperature, were

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29

LarnkjÆr, A., A. NykjÆr, G. Ølivecrona, H. Thøgersen та P. B. Ostergaard. "Structure of heparin fragments with high affinity for lipoprotein lipase and inhibition of lipoprotein lipase binding to α2-macroglobulin-receptor/low-density-lipoprotein-receptor-related protein by heparin fragments". Biochemical Journal 307, № 1 (1995): 205–14. http://dx.doi.org/10.1042/bj3070205.

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Heparin-derived deca- and octa-saccharides were subjected to affinity chromatography on lipoprotein lipase-Sepharose and the fractions eluted at high salt concentration were analysed by strong-anion-exchange chromatography. Two high-affinity decasaccharides were isolated and the structure determined by one- and two-dimensional 1H-n.m.r. spectroscopy. The affinities of 3H-labelled low-molecular-mass heparin and size-fractionated deca-, octa-, and hexa-saccharides for lipoprotein lipase immobilized on microtitre plates were determined from saturation curves. From competition experiments the affi

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30

Chen, Yi, Yue Peng, Wen Yong Liu, Guang Sheng Zeng, Xiang Gang Li, and Wu Wang. "Effect of POSS on the Compatibility and Mechanical Properties of PC/PLA Blends." Applied Mechanics and Materials 427-429 (September 2013): 170–73. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.170.

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Polycarbonate/poly (lactic acid)/(PC/PLA) blends were modified by two kinds of POSS, glycidyl POSS (G-POSS) and Octa-ammonium POSS (O-POSS), respectively. The morphologies and mechanical properties of blends were investigated systematically. The results showed that the adding of O-POSS has a better effect on the compatibility of blend than adding G-POSS, the separate phase is invisible in the morphology of blends, and the mechanical properties of blends are improved significantly with the increase of added O-POSS.

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31

Mohan Raj, A., Françisco M. Raymo, and V. Ramamurthy. "Reversible Disassembly–Assembly of Octa Acid–Guest Capsule in Water Triggered by a Photochromic Process." Organic Letters 18, no. 7 (2016): 1566–69. http://dx.doi.org/10.1021/acs.orglett.6b00405.

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32

Parthasarathy, Anand, and V. Ramamurthy. "Water-soluble octa acid capsule as a reaction container: Templated photodimerization of indene in water." Journal of Photochemistry and Photobiology A: Chemistry 317 (February 2016): 132–39. http://dx.doi.org/10.1016/j.jphotochem.2015.11.005.

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33

Zhang, Xiaojing, Jiashu Sun, Shaoming Fang, Xiniu Han, Yadong Li, and Chenggui Zhang. "Thermal, crystalline, and mechanical properties of octa(3-chloropropylsilsesquioxane)/ poly(L-lactic acid) hybrid films." Journal of Applied Polymer Science 122, no. 1 (2011): 296–303. http://dx.doi.org/10.1002/app.34059.

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34

Choudhury, Rajib, Shipra Gupta, José P. Da Silva, and V. Ramamurthy. "Deep-Cavity Cavitand Octa Acid as a Hydrogen Donor: Photofunctionalization with Nitrenes Generated from Azidoadamantanes." Journal of Organic Chemistry 78, no. 5 (2012): 1824–32. http://dx.doi.org/10.1021/jo301499t.

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35

Mikulskis, Paulius, Daniela Cioloboc, Milica Andrejić, et al. "Free-energy perturbation and quantum mechanical study of SAMPL4 octa-acid host–guest binding energies." Journal of Computer-Aided Molecular Design 28, no. 4 (2014): 375–400. http://dx.doi.org/10.1007/s10822-014-9739-x.

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36

Imani, Rana, Satya Prakash, Hojatollah Vali, and Shahab Faghihi. "Polyethylene glycol and octa-arginine dual-functionalized nanographene oxide: an optimization for efficient nucleic acid delivery." Biomaterials Science 6, no. 6 (2018): 1636–50. http://dx.doi.org/10.1039/c8bm00058a.

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37

WYSOCKI, ANNETTE B., ANH TRAN, and AMOL V. JANORKAR. "CELL MIGRATION AND PROLIFERATION IN BIONANOHYBRIDS COMPOSED OF TYPE II COLLAGEN AND POSS AMPHIPHILES." Nano LIFE 02, no. 03 (2012): 1241001. http://dx.doi.org/10.1142/s1793984412410012.

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Polyhedral oligomeric silsesquioxane (POSS) based nanocompounds have recently emerged as viable compounds to make totally synthetic biocompatible tissue substitutes for use in the clinical arena. Here, we report on the use of three POSS based compounds to develop bionanohybrid scaffolds composed primarily of purified Type II collagen. The bionanohybrid scaffolds were prepared by blending purified Type II collagen with octa maleamic acid POSS, octa ammonium POSS, or polyethylene glycol POSS. We were able to differentially detect the presence of the different POSS compounds in the bionanohybrid

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38

Kumar, R., M. Sharma, and G. R. Verma. "Stability Indicating Analytical Method Development and Validation of Efavirenz Quantification by High Performance Liquid Chromatographic Technique." E-Journal of Chemistry 8, no. 4 (2011): 1498–503. http://dx.doi.org/10.1155/2011/605381.

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A stability-indicating high performance liquid chromatography (HPLC) method is developed for the quantification of efavirenz drug substance. Selected mobile phase is a combination of 50 volume of acetonitrile and 50 volume of 0.86% w/v solution of ammonium dihydrogen phosphate, pH adjusted to 3.0 with orthophosphoric acid. Optimized column is a stainless steel column packed with base deactivated octa decylsilyl silica gel and at 252 nm wavelength. Linearity of the method is found 40 μg/mL to 160 μg/mL with regression coefficient of 0.9995. The method is validated according to ICH guidelines.

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39

Liu, Xue-Ming, Chaobin He, and Junchao Huang. "A water-soluble non-aggregating fluorescent octa-carboxylic acid derived from tetraphenylmethane: synthesis and optical properties." Tetrahedron Letters 45, no. 32 (2004): 6173–77. http://dx.doi.org/10.1016/j.tetlet.2004.06.019.

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40

Baykuş, Onur, Şengül Dilem Dogan, Umit Tayfun, Asım Davulcu, and Mehmet Dogan. "Improving the dyeability of poly (lactic acid) fiber using octa (aminophenyl) POSS nanoparticle during melt spinning." Journal of The Textile Institute 108, no. 4 (2016): 569–78. http://dx.doi.org/10.1080/00405000.2016.1175536.

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41

Jain, V. K., S. G. Pillai, and H. S. Gupte. "Supervanadophile: Complexation, preconcentration and transport studies of vanadium by octa functionalized calix[4]resorcinarene-hydroxamic acid." Journal of the Iranian Chemical Society 5, no. 4 (2008): 646–56. http://dx.doi.org/10.1007/bf03246146.

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42

Zanfardino, A., G. Criscuolo, B. Di Luccia, et al. "Identification of a new small bioactive peptide from Lactobacillus gasseri supernatant." Beneficial Microbes 8, no. 1 (2017): 133–41. http://dx.doi.org/10.3920/bm2016.0098.

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Ten lactic acid bacteria (LAB) strains, previously isolated from human ileal biopsy of healthy volunteers, were screened for production and secretion of molecules having anti-bacterial and anti-biofilm activities. Because many recent reports indicate that LAB secreted molecules may exert immune-modulatory action, we also tested the effect on human intestinal HCT116 cells challenged with bacterial lipopolysaccharides. One of the Lactobacillus gasseri strains, SF1109, strongly inhibited: (1) Pseudomonas aeruginosa growth; (2) Escherichia coli biofilm production; (3) LPS induction of P-ERK1/2 in

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43

Piers, Edward, Grace L. Jung, and Edward H. Ruediger. "Synthesis of functionalized bicyclo[3.2.1]octa-2,6-dienes by thermal rearrangement of substituted 6-exo-(1-alkenyl)bicyclo[3.1.0]hex-2-ene systems." Canadian Journal of Chemistry 65, no. 3 (1987): 670–82. http://dx.doi.org/10.1139/v87-115.

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Thermolysis of each of the enol silyl ethers 31–35 affords, cleanly and efficiently, the bicyclo[3.2.1]octadienes 36–40, respectively. Similarly, thermal rearrangement of the enol silyl ether 50 provides the diene 51. Hydrolysis of 36, 37, and 39, and decarbomethoxylation of the resultant keto esters 41, 42, and 44, gives the ketones 46–48, respectively. The ketone 46 is also obtained by acid hydrolysis of 51. Conversion of 6-methyl-1-hepten-4-yn-3-ol (56) into the enol ether 63 is described. Thermolysis of 63 gives 64, which, upon acid hydrolysis, affords 65. Thermolysis of the enones 68 and

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44

JAIN, Vinod K., Shibu G. PILLAI, Rujul A. PANDYA, Yadvendra K. AGRAWAL, and Pranav S. SHRIVASTAV. "Selective Extraction, Preconcentration and Transport Studies of Thorium(IV) Using Octa-Functionalized Calix[4]resorcinarene-Hydroxamic Acid." Analytical Sciences 21, no. 2 (2005): 129–35. http://dx.doi.org/10.2116/analsci.21.129.

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45

Porel, Mintu, Nithyanandhan Jayaraj, Lakshmi S. Kaanumalle, Murthy V. S. N. Maddipatla, Anand Parthasarathy, and V. Ramamurthy. "Cavitand Octa Acid Forms a Nonpolar Capsuleplex Dependent on the Molecular Size and Hydrophobicity of the Guest." Langmuir 25, no. 6 (2009): 3473–81. http://dx.doi.org/10.1021/la804194w.

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46

Kumagai, Tsutomu, Mitsuo Katayose, and Toshio Mukai. "Acid-Induced Rearrangements of 2,8-Diazabicyclo[3.2.1]octa-3,6-dienes Leading to 1,4-Dihydropyridine and Pyrrole Derivatives." Chemistry Letters 16, no. 5 (1987): 899–902. http://dx.doi.org/10.1246/cl.1987.899.

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47

Caldararu, Octav, Martin A. Olsson, Majda Misini Ignjatović, Meiting Wang, and Ulf Ryde. "Binding free energies in the SAMPL6 octa-acid host–guest challenge calculated with MM and QM methods." Journal of Computer-Aided Molecular Design 32, no. 10 (2018): 1027–46. http://dx.doi.org/10.1007/s10822-018-0158-2.

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48

Kovtonyuk, V. N., and L. S. Kobrina. "Acid-catalyzed polyfluoroarylation of arenes with polyfluorinated mono- and tris(phenoxy)-1-oxaspiro[2.5]octa-4,7-dienes." Russian Chemical Bulletin 60, no. 10 (2011): 2021–26. http://dx.doi.org/10.1007/s11172-011-0307-4.

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49

Grogg, Marcel, Donald Hilvert, Albert Beck, and Dieter Seebach. "Syntheses of Cyanophycin Segments for Investigations of Cell-Penetration." Synthesis 51, no. 01 (2018): 31–39. http://dx.doi.org/10.1055/s-0037-1610202.

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Novel guanidinium-rich oligopeptide derivatives R-[Adp(X)]8-NH2 are described, which consist of an octa-aspartic acid backbone with argininylated side chains that are derived from the biopolymer cyanophycin [H-(Adp)n-OH]. The Fmoc-Adp(X,Pbf)-OH building blocks for solid-state peptide synthesis (SSPS) of Adp octamers were prepared from Fmoc-Arg(Pbf)-OH and Fmoc-Asp-OAll. Coupling on PAL resin provided four octamers with and without N-terminal fluorescent groups (FAM) and C-terminal amide groups. Milligram quantities of Adp-octamers were isolated after preparative HPLC purification. The structur

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50

Bromant, Claudia, Wassiliki Nika, Ingo Pantenburg, and Gerd Meyer. "Selten-Erd-Mandelate. Synthese und Kristallstrukturen von Pr(Man)3(ManH) und Er(Man)3(H2O)2 / Synthesis and Crystal Structures of Pr(Man)3(ManH) and Er(Man)3(H2O)2." Zeitschrift für Naturforschung B 60, no. 7 (2005): 753–57. http://dx.doi.org/10.1515/znb-2005-0709.

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Pr(Man)3(ManH) and Er(Man)3(H2O)2 (ManH = mandelic acid) have been synthesized by slow evaporation of aqueous solutions of rare-earth salts (Pr(OH)3, ErCl3 · 6H2O) with mandelic acid (α-hydroxy-phenyl acetic acid, C8H8O3) and their crystal structures were determined on the basis of X-ray data. In the crystal structure of Pr(Man)3(ManH) (1) (monoclinic, P21, a = 574.8(1), b = 3042.5(4), c = 908.4(1) pm, β = 92.09(2)°, Z = 2) the Pr(III) ions are surrounded by eight oxygen atoms in a distorted square antiprismatic fashion with distances Pr-O in the range 241 to 254 pm. These polyhedra are connec

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