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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10147

Title: STRUCTURE OF 17-EPINIMBOCINOL
Authors: DAS, K
SINHA, UC
MAYELVAGANAN, T
BHAT, SV
TAVALE, SS
Keywords: azadirachta-indica
nimbidin
Issue Date: 1991
Publisher: MUNKSGAARD INT PUBL LTD
Citation: ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 47 ,part.7 , 1426-1429
Abstract: 7-alpha-Hydroxy-4,4,8-trimethyl-21,23-epoxy-24-nor-5-alpha,13-alpha,17-beta-chola-1,14,20,22-tetraene-3,16-dione, C26H32O4, M(r) = 408.51, m.p. = 526-528 K, orthorhombic, P2(1)2(1)2(1), a = 6.7094 (9), b = 13.195 (1), c = 24.281 (3) angstrom, V = 2149.64 angstrom 3, Z = 4, D(x) = 1.262 Mg m-3, lambda-(Cu K-alpha) = 1.5418 angstrom, mu = 0.584 mm-1, F(000) = 880, T = 291 K, final R = 0.0361, wR = 0.0449 for 1820 observed reflections. The A-B and B-C rings are trans fused. The C(17) furan ring is trans to the C(13) methyl and is in the beta-position. Intermolecular O-H...O and C-H...O interactions are present.
URI: http://dx.doi.org/10.1107/S0108270190011489
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10147
http://hdl.handle.net/10054/10147
ISSN: 0108-2701
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