Výsledky vyhledávání - "Y. S. Sadanandam"

Two quinazolinones: a ring conformational study

Autor: B. Sridhar, Y. S. Sadanandam, Krishnan Ravikumar, G. Y. S. K. Swamy

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 64:o80-o83

The molecules of (+/-)-2-(4-methoxyphenyl)-1-phenethyl-2,3-dihydroquinazolin-4(1H)-one, C(23)H(22)N(2)O(2), (I), and (+/-)-2-(1,3-benzodioxol-5-yl)-1-phenethyl-2,3-dihydroquinazolin-4(1H)-one, C(23)H(20)N(2)O(3), (II), have T-shaped forms in the crys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7be89d5ea94101c02d8d7fd0736d3505
https://doi.org/10.1107/s0108270107068850

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Dimorphism in (2Z)-2-benzylidene-N,7-dimethyl-3-oxo-5-phenyl-2,3-dihydro-5H-1,3-thiazolo[3,2-a]pyrimidine-6-carboxamide

Autor: Krishnan Ravikumar, Y. S. Sadanandam, B. Sridhar

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 62:o687-o690

The title compound, C22H19N3O2S, crystallizes in two polymorphic forms having the same space group, viz. P\overline{1}, with Z′ = 2 and Z′ = 1. In both polymorphs, the planar thiazole ring is fused cis with the dihydropyrimidine ring, the car

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3d1b56ddf9e21cae9cc1b64727a0a5e
https://doi.org/10.1107/s0108270106046567

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Crystal and molecular structure of 2,6-dimethyl-3,5-di[N-methyl]carbamoyl-4-[3,4-methoxy]phenyl-l,4-dihydropyridine hemihydrate and 2,6-dimethyl-3,5-di[N-methyl]carbamoyl-4-[furan]1,4-dihydropyridine

Autor: Krishnan Ravikumar, Y. S. Sadanandam, M. Bidya Sagar

Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 214:850-856

The crystal structures of two dihydropyridines were solved by direct methods and refined by full-matrix least-squares procedure. 2,6-Dimethyl-3,5-di[N-methyl]-carbamoyl-4-[3,4-methoxy]phenyl-1,4-dihydropyridine hemihydrate, C38H50N6O9 (compound 1): m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e0fe7bf69887f0ad917a0dd080723e5
https://doi.org/10.1524/zkri.1999.214.12.850

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[Untitled]

Autor: K. Ravikumar, S. Mehdi, Eluvathingal D. Jemmis, Kalathingal T. Giju, Y. S. Sadanandam, M. Bidya Sagar

Publikováno v: Journal of Chemical Crystallography. 29:481-491

A series of 4(x-substituted phenyl)-1,4-dihydropyridines (x=2—CF3 (1), 2-CH3 (2), 2-OCH3 (3) and 2,4-Cl (4)) with a new substituent, the N-methylcarbamoyl (CONHCH3) group at C3 and C5 are crystallographically characterized and a comparison has been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ea7aafba91f5d6a0b89cf1d9f1c0e53
https://doi.org/10.1023/a:1009579430593

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Crystal structure analysis of 4-R-phenyl-2,6-dimethyl-3,5-N-(dimethylcarbamoyl)-1,4-dihydropyridines [R=2-nitro (1), 4-methoxy (2) and 3,4-dichloro (3)]

Autor: Y. S. Sadanandam, Krishnan Ravikumar, M. Bidya Sagar

Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 213:182-190

The crystallographic characterization of the following three calcium channel antagonists is reported here: 2,6-dimethyl-3,5-dicarbamoyl-4-[2-nitro]-1,4-dihydropyridine (1), 2,6-dimethyl-3,5-dicarbamoyl-4-[4-methoxy]-1,4-dihydropyridine (2) and 2,6-di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69d6919b77c04eaadcd16bb7ab3d8abd
https://doi.org/10.1524/zkri.1998.213.3.182

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