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초록
Investigation of the lower molecular weight phenolics from the needles of Taxus cuspidata led to the isolation and structural elucidation of (+)-catechin, (-)-epicatechin and (+)-catechin-(5,6-bc)-4 beta-(4 ''-hydroxyphenyl)-dihydro-2(H)-pyranone (1), a new phenylpropanoid flavan-3-ol. The structures of these compounds were established on the basis of chemical and spectroscopic evidence.
키워드
Taxus cuspidata; needles; phenylpropanoid flavan-3-ol; catechins; CIRCULAR-DICHROISM; TANNINS; PROANTHOCYANIDINS; PROCYANIDINS; FLAVAN-3-OLS; CINCHONAINS
- 제목
- A new phenylpropanoid derivative of catechin from the needles of Taxus cuspidata
- 저자
- Kim, Jin-Kyu; Ham, Yeon-Ho; Karchesy, Joseph J.; Bae, Young-Soo
- 발행일
- 2008
- 유형
- Article
- 권
- 22
- 호
- 15
- 페이지
- 1365 ~ 1369