Chemical constituents of Cordia piauhiensis -: Boraginaceae

被引：13
|
作者：
dos Santos, RP
Lemos, TLG
Pessoa, ODL
Braz Filho, R
Rodrigues-Filho, E
Viana, FA
Silveira, ER
机构：
[1] Univ Fed Ceara, Ctr Ciencias, Dept Quim Organ & Inorgan, BR-60021970 Fortaleza, Ceara, Brazil
[2] Univ Estadual Norte Fluminense, CCT, LCQUI, Setor Quim Prod Nat, BR-28105620 Campos, RJ, Brazil
[3] Univ Fed Sao Carlos, Dept Quim, BR-14040970 Sao Carlos, SP, Brazil
[4] Univ Estado Rio Grande do Norte, BR-59610210 Mossoro, RN, Brazil
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2005年 / 16卷 / 3B期
关键词：
Cordia piauhiensis; Boraginaceae; triterpenes; saponins;
D O I：
10.1590/S0103-50532005000400029
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new monodesmoside triterpenoid saponin characterized as 3 beta-O-alpha-L-rhamnopyranosyl-(1 -> 2)-beta-D-glucopyranosyl pomolic acid, was isolated from Cordia piauhiensis Fresen ( Boraginaceae). Its structure was determined by extensive NMR analysis, including H-1, H-1-COSY, HMQC, HMBC, and NOESY experiments. In addition, four known triterpenoids: quinovic acid, cincholic acid, cincholic 3 beta-O-6-deoxy-beta-D-glucopyranoside acid and quinovic 3 beta-O-beta-D-glucopyranoside acid were also isolated.
引用
收藏
页码：662 / 665
页数：4
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