도토리에서 분리한 Dotorioside I, II의 구조

• 영문명: Structures of Dotorioside I and II Obtained from the Fruits of Quercus acutissima CARRUTHERS
• 발행기관: 대한약학회
• 저자명: 임광식(Kwang Sik Im) 손미정(Mee Jeong Son) 이시강(See Kang Lee)
• 간행물 정보: 『약학회지』제38권 제3호 (1994년), 223~229쪽, 전체 7쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 1994.06.30

영문 초록

From the methanolic extractive of the fruits of Quercus acutissima CARRUTHERS(Fagaceae) a mixture(QC-A saponin) of two ester glycosides, which were named as dotorioside I(3) and II(4), was separated by silica gel column chromatography and HPLC. The structures of these two glycosides including their genuine aglycones(1,2) were elucidated as 1: 2alpha, 3beta, 19alpha, 23-tetrahydroxyolean-12-en-28-oic acid, 2: 2alpha, 3beta, 19alpha, 23-tetrahydroxyurs-12-en-28-oci acid, 3: 28-0-beta-D-glucopyranosyl ester of 1, 4: 28-0-beta-D-glucopyranosyl ester of 2, respectively, on the basis of chemical and spectral evidence.

키워드

Quercus acutissima CARRUTHERS Fagaceae QC-A saponin dotorioside I, II 13C-NMR CD spectrum.