REACTION OF BENZOCYCLOBUTENOXIDES WITH NITRILES - SYNTHESIS OF HYPECUMINE AND OTHER 3-SUBSTITUTED ISOQUINOLINES

被引:28
作者
FITZGERALD, JJ [1 ]
MICHAEL, FE [1 ]
OLOFSON, RA [1 ]
机构
[1] PENN STATE UNIV,DEPT CHEM,UNIVERSITY PK,PA 16802
关键词
D O I
10.1016/0040-4039(94)88462-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Treatment of benzocyclobuten-2-ols with MeLi affords o-tolualdehyde anions which in the presence of nitriles cyclize to 3-substituted isoquinolines. Examples include the synthesis of the alkaloid hypecumine from the precursors, 14 and 19 (1:1), in 50% yield.
引用
收藏
页码:9191 / 9194
页数:4
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