Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Kodumuru Vishnumurthy"'
Publikováno v:
Journal of Combinatorial Chemistry. 12:664-669
Microwave-promoted novel and efficient one-step parallel synthesis of dibenzopyranones and heterocyclic analogues from bromo arylcarboxylates and o-hydroxyarylboronic acids via Suzuki-Miyaura cross coupling reaction is described. Spontaneous lactoniz
Autor:
Sun, Shaoyi, Zhang, Zaihui, Kodumuru, Vishnumurthy, Pokrovskaia, Natalia, Fonarev, Julia, Jia, Qi, Leung, Po-Yee, Tran, Jennifer, Ratkay, Leslie G., McLaren, David G., Radomski, Chris, Chowdhury, Sultan, Fu, Jianmin, Hubbard, Brian, Winther, Michael D., Dales, Natalie A.
Publikováno v:
In Bioorganic & Medicinal Chemistry Letters 15 January 2014 24(2):520-525
Publikováno v:
Photochemical & Photobiological Sciences. 1:799-802
Addition of a small amount of coumarin during crystallization produces new polymorphic modifications in 4-styrylcoumarin and 4-(3-fluorostyryl)coumarin, which are photolabile. Interestingly, upon irradiation polymorphic modification of 4-(3-fluorosty
Publikováno v:
Photochemical & Photobiological Sciences. 1:427-430
(1E,3E)-1,4-Diphenylbuta-1,3-diene is photostable in the crystalline state, while fluoro-substitution induces reactivity. Crystals of (1E,3E)-1-pentafluorophenyl-4-(4-methoxyphenyl)buta-1,3-diene 1, (1E,3E)-1-pentafluorophenyl-4-(4-methylphenyl)buta-
Publikováno v:
Tetrahedron. 55:4095-4108
In continuation of our studies on crystal engineering using fluorine as a steering group, the photobehaviour of di and tri fluoro 4-styrylcoumarins has been examined. It is found that out of the five derivatives, four crystallize into β-packing mode
Publikováno v:
Tetrahedron. 54:11235-11246
Photodimerization of 7-fluoro-4-methylcoumarin 1 is topochemical while 6-fluoro-4-methylcoumarin 2 does not lead to the expected product based on the topochemical principles. Compound 1 yield an anti-HT photodimer with a lower dimer conversion while
Autor:
Zhang, Zaihui, Kodumuru, Vishnumurthy, Sviridov, Serguei, Liu, Shifeng, Chafeev, Mikhail, Chowdhury, Sultan, Chakka, Nagasree, Sun, Jianyu, Gauthier, Simon J., Mattice, Maryanne, Ratkay, Laszlo G., Kwan, Rainbow, Thompson, Jay, Cutts, Alison Brownlie, Fu, Jianmin, Kamboj, Rajender, Goldberg, Y. Paul, Cadieux, Jay A.
Publikováno v:
In Bioorganic & Medicinal Chemistry Letters 1 August 2012 22(15):5108-5113
Publikováno v:
ChemInform. 29
Photodimerization of 7-fluoro-4-methylcoumarin 1 is topochemical while 6-fluoro-4-methylcoumarin 2 does not lead to the expected product based on the topochemical principles. Compound 1 yield an anti-HT photodimer with a lower dimer conversion while
Publikováno v:
ChemInform. 31
2,2'-Binaphthol 1 reacts with 1,2 dibromoethane in the presence of potassium carbonate to give rise to a novel spirodienone system 3 and its structure has been confirmed by X-ray analysis.
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:130-132
The title compound, C12H11N2+.C2H3O2-.H2O, is a hydrated salt of 2-methylperimidinium acetate. The 2-methylperimidinium cations are protonated al the N atoms. In the acetate anions, the C-O bond distances are 1.238(3) and 1.265(3) Angstrom. A hydroge