Gold-catalyzed intramolecular carbocyclization of alkynyl ketones leading to highly substituted cyclic enones

被引:143
作者
Jin, Tienan [1 ]
Yamamoto, Yoshinori [1 ]
机构
[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan
关键词
D O I
10.1021/ol702455v
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The reaction of the internal alkynyl ketones 1 (n = 1) under the combined catalyst, AUCl(3) and AgSbF6, gave the enones 2 in good to high yields, whereas that of the terminal alkynyl ketones 1 (n = 0) under the combined catalyst, AuCl3 and AgOTf, afforded the cyclic enones 3.
引用
收藏
页码:5259 / 5262
页数:4
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