| Literature DB >> 7765691 |
K Nakano1, Y Kanai, K Murakami, Y Takaishi, T Tomimatsu.
Abstract
Three new nor-cucurbitacin glucosides were isolated from the root of Caputo nigri (Cabeça-de-negro) and their structures established as 29-nor-1,2,3,4,5,10-dehydro-2,3,16 alpha,20R, 22 zeta,25-hexahydroxy-11-oxocucurbita-6,23-diene 2-O-beta-D-glucopyranoside and 2-O-beta-D-glucopyranosyl(1-2)beta-D- glucopyranoside(sophorose), and 1,2,3,4,5,10-dehydro-2,3,16 alpha-trihydroxy-4, 9,14-trimethyl-19-norpregn-6-ene-11,20-dione 2-O-beta-D-glucopyranoside on the basis of detailed spectroscopic analysis.Entities:
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Year: 1994 PMID： 7765691 DOI： 10.1016/s0031-9422(00)90363-7
Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072