NOVEL SYNTHESIS OF HETEROCYCLES USING ZIRCONIUM-CATALYZED DIENE CYCLIZATION

被引:38
作者
UESAKA, N
MORI, M
OKAMURA, K
DATE, T
机构
[1] HOKKAIDO UNIV,FAC PHARMACEUT SCI,SAPPORO 060,JAPAN
[2] TANABE SEIYAKU CO LTD,CTR ANALYT,TODA,SAITAMA 335,JAPAN
关键词
D O I
10.1021/jo00095a032
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The catalytic cyclization of the diene 1 by Cp(2)ZrCl(2) in the presence of BuMgBr gives the hexahydroindole derivative 2. The stereochemistry of the zirconacycle 10 is different from that of the zirconacycle 7, which is obtained from 1 under stoichiometric conditions. Carbon-carbon bond formation results from treatment of the intermediary magnesium complex 8 with various electrophiles, such that various heterocycles were synthesized.
引用
收藏
页码:4542 / 4547
页数:6
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