TANNINS AND RELATED-COMPOUNDS .118. STRUCTURES, PREPARATION, HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY AND SOME REACTIONS OF DEHYDROELLAGITANNIN ACETONE CONDENSATES

被引：28

作者：

TANAKA, T ^{[1
]}

FUJISAKI, H ^{[1
]}

NONAKA, G ^{[1
]}

NISHIOKA, I ^{[1
]}

机构：

[1] KYUSHU UNIV 62, FAC PHARMACEUT SCI, 3-1-1 MAIDASHI, HIGASHI KU, FUKUOKA 812, JAPAN

来源：

CHEMICAL & PHARMACEUTICAL BULLETIN | 1992年 / 40卷 / 11期

关键词：

DEHYDROELLAGITANNIN; DEHYDROHEXAHYDROXYDIPHENIC ACID; ACETONE CONDENSATE; AMMONIUM ION; HPLC; L-CYSTEINE METHYL ESTER; HYDROLYZABLE TANNIN; TANNIN;

D O I：

10.1248/cpb.40.2937

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

The dehydroellagitannins having a dehydrohexahydroxydiphenoyl ester group in the molecule were found to undergo highly regio- and stereospecific condensation with acetone in the presence of ammonium ion under almost neutral conditions. This reaction was successfully applied to high-performance liquid chromatographic analysis to detect the dehydroellagitannins in the plant extract. Furthermore, the reactions of the acetone condensates with L-cysteine methyl ester were examined, and appear to be applicable to structural studies of dehydroellagitannins.

引用

页码：2937 / 2944

页数：8

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