ISOLATION AND CHARACTERIZATION OF A PRESUMED BIOSYNTHETIC PRECURSOR OF CAMPTOTHECIN FROM EXTRACTS OF CAMPTOTHECA-ACUMINATA

被引:38
作者
CARTE, BK
DEBROSSE, C
EGGLESTON, D
HEMLING, M
MENTZER, M
POEHLAND, B
TROUPE, N
WESTLEY, JW
HECHT, SM
机构
[1] SMITHKLINE BEECHAM PHARMACEUT,RES & DEV,DEPT BIOMOLEC DISCOVERY,POB 1539,KING OF PRUSSIA,PA 19406
[2] SMITHKLINE BEECHAM PHARMACEUT,RES & DEV,DEPT ANALYT CHEM,KING OF PRUSSIA,PA 19406
[3] SMITHKLINE BEECHAM PHARMACEUT,RES & DEV,DEPT PHYS & STRUCT CHEM,KING OF PRUSSIA,PA 19406
[4] UNIV VIRGINIA,DEPT CHEM,CHARLOTTESVILLE,VA 22901
[5] UNIV VIRGINIA,DEPT BIOL,CHARLOTTESVILLE,VA 22901
关键词
D O I
10.1016/S0040-4020(01)88369-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A biosynthetic precursor 4 of the antitumor alkaloid camptothecin (1) has been isolated from alkaloid enriched extracts of Camptotheca acuminata. The structure of 4, which was determined both in the solid state by x-ray diffraction and in solution by NMR analysis, provides strong evidence in support of the proposed biosynthetic scheme for camptothecin (1). © 1990.
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页码:2747 / 2760
页数:14
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