Diastereoselective Fischer-type pyrroloindole synthesis and its application to the synthesis of chiral pyrroloindole alkaloids

被引:18
|
作者
Nishida, A [1 ]
Ushigome, S [1 ]
Sugimoto, A [1 ]
Arai, S [1 ]
机构
[1] Chiba Univ, Grad Sch Pharmaceut Sci, Inage Ku, Chiba 2638522, Japan
关键词
asymmetric synthesis; esermethole; Fischer indole synthesis; physostigmine; pyrroloindole;
D O I
10.3987/COM-05-S(K)71
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Facile access to optically active pyrroloindoles by Fischer-type pyrroloindole synthesis is investigated. The reaction using chiral hydrazines prepared from commercially available chiral amines proceeded with diastereoselective cyclization (up to 70% de), and a short-step conversion of the cycloadducts to (-)-desoxyeseroline and pyrroloindole alkaloids was achieved.
引用
收藏
页码:181 / 185
页数:5
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