Hafnium trifluoromethanesulfonate [Hf(OTf)4]-catalyzed conjugate addition of Indoles to α,β-enones

被引：26
|
作者：
Kawatsura, M [1 ]
Aburatani, S
Uenishi, J
机构：
[1] Tottori Univ, Fac Engn, Dept Mat Sci, Tottori 6808552, Japan
[2] Kyoto Pharmaceut Univ, Kyoto 6078412, Japan
来源：
SYNLETT | 2005年 / 16期
关键词：
hafnium trifluoromethanesulfonate; conjugate additions; Lewis acids; indoles; enones; catalysis;
D O I：
10.1055/s-2005-872694
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Hafnium trifluoromethanesulfonate [Hf(OTf)(4)]- and scandium trifluoromethanesulfonate [Sc(OTf)(3)]-Catalyzed conjugated addition of 3-position of indoles to several enones proceeded in acetonitrile as solvent. Especially, Hf(OTf)(4) exhibited high catalytic activity and gave the Conjugate addition product ill good yield.
引用
收藏
页码：2492 / 2494
页数：3
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