Two new pregnane glycoside diesters from Caralluma russeliana

被引：9
作者：
Abdel-Mogib, Mamdouh [1 ,2 ]
Raghib, Hanaa M. [3 ,4 ]
机构：
[1] King Abdulaziz Univ, DSR, Jeddah 21589, Saudi Arabia
[2] Mansoura Univ, Fac Sci, Dept Chem, Mansoura 35516, Egypt
[3] KAU, Girls Sect, Fac Sci, Dept Chem, Jeddah 21589, Saudi Arabia
[4] Agr Res Ctr, Plant Protect Res Inst, Mansoura, Egypt
来源：
NATURAL PRODUCT RESEARCH | 2013年 / 27卷 / 14期
关键词：
Caralluma russeliana; pregnane glycoside esters; 3-O-methyl-6-deoxyoleandrose; cymarose; OXYPREGNANE GLYCOSIDES; PENICILLATA; UMBELLATA; PLANT;
D O I：
10.1080/14786419.2012.733390
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Two new pregnane glycoside diesters, 1 and 2, in addition to two triterpenoids, 3 and 4, and two sterols, 5 and 6 were isolated and identified from Caralluma russeliana (family Asclepiadaceae). The new pregnane glycosides, 14-benzoyloxy-15-isovaleroyloxy-16-hydroxypregn-20-on-3-O-[-D-3-O-methyl-6-deoxyoleandrosopyranosyl-(14)--D-cymaropyranosyl-(14)--D-cymaropyranoside] (1) and 14-isovaleroyloxy-15-benzoyloxy-16-hydroxypregn-20-on-3-O-[-D-3-O-methyl-6-deoxyoleandrosopyranosyl-(14)--D-cymaropyranosyl-(14)--D-cymaropyranoside] (2), are different from those isolated previously from the same species in the sugar moiety, in being diester, in being 20-one and in being 5,6 saturated by hydrogen. The isolated compounds were identified on the basis of spectral data.
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收藏
页码：1287 / 1292
页数：6
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