A-TYPE PROANTHOCYANIDINS FROM STEM-BARK OF PAVETTA-OWARIENSIS

被引：56

作者：

BALDE, AM ^{[1
]}

PIETERS, LA ^{[1
]}

GERGELY, A ^{[1
]}

KOLODZIEJ, H ^{[1
]}

CLAEYS, M ^{[1
]}

VLIETINCK, AJ ^{[1
]}

机构：

[1] UNIV MUNSTER,INST PHARMAZEUT BIOL & PHYTOCHEM,W-4400 MUNSTER,GERMANY

来源：

PHYTOCHEMISTRY | 1991年 / 30卷 / 01期

关键词：

PAVETTA-OWARIENSIS; RUBIACEAE; STEM-BARK; FLAVAN-3-OLS; PROANTHOCYANIDINS A-TYPE; DIMERS;

D O I：

10.1016/0031-9422(91)84150-Q

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In a chemical investigation on the stem-bark of Pavetta owariensis, a new proanthocyanidin A-type, ent-epicatechin (4-alpha --> 8,2-alpha --> O --> 7)-ent-catechin designated as pavetannin A1, was isolated as second representative of a (2-alpha, 4-alpha) A-type proanthocyanidin. Additionally, the occurrence of (+)-catechin, (-)-epicatechin, ent-epicatechin, proanthocyanidin A-2 and proanthocyanidin A-4 was demonstrated, the latter being reported from a natural source for the second time.

引用

页码：337 / 342

页数：6

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