A NEW 5-MEMBERED RING ANNULATION METHOD BASED ON PD(0)-CATALYZED INTRAMOLECULAR COUPLING OF VINYL IODIDE AND ENOLATE ANION FUNCTIONS

被引:72
|
作者
PIERS, E
MARAIS, PC
机构
[1] Department of Chemistry, University of British Columbia, Vancouver
来源
JOURNAL OF ORGANIC CHEMISTRY | 1990年 / 55卷 / 11期
关键词
D O I
10.1021/jo00298a014
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Conjugate addition of the cuprate reagent 6 to the enones 7, 11, and 15a-c, followed by treatment of the resultant products with I2 in CH2C12, provides the keto iodides 9, 13, and 17a-c, respectively. Cyclization of the latter substances via a novel Pd(0)-catalyzed coupling process affords the annulation products 10, 14, and 19a-c. © 1990, American Chemical Society. All rights reserved.
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页码:3454 / 3455
页数:2
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