ANTICANCER AGENTS .19. SYNTHESIS OF THE REDUCED A-UNIT (CI) OF THE ANTITUMOR ANTIBIOTIC CC-1065

被引:25
作者
TIETZE, LF
GROTE, T
机构
[1] Institut für Organische Chemie, Universität Göttingen, Göttingen, D-37077
关键词
CC-1065; ANTITUMOR ANTIBIOTICS; ZIRCONOCENE-INDUCED CYCLIZATION; INDOLINES;
D O I
10.1002/cber.19931261224
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis of the reduced A-unit 2 (CI) of CC-1065 (1) using a metal-mediated cyclisation is described. Reaction of N-allyl-N-benzylaniline 4b and zirconocene(methyl) chloride with tert-BuLi leads via a zirconocene-stabilized benzyne complex 5 to the 3,4-difunctionalized indoline derivative 7, which was converted in five steps into 2.
引用
收藏
页码:2733 / 2737
页数:5
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