An efficient waste-free oxidative coupling via regioselective C-H bond cleavage: Rh/Cu-catalyzed reaction of benzoic acids with alkynes and acrylates under air

被引：618
|
作者：
Ueura, Kenji [1 ]
Satoh, Tetsuya [1 ]
Miura, Masahiro [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
来源：
ORGANIC LETTERS | 2007年 / 9卷 / 07期
关键词：
D O I：
10.1021/ol070406h
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The direct oxidative coupling of benzoic acids with internal alkynes proceeds efficiently in the presence of a rhodium/copper catalyst system under air to afford the corresponding isocoumarin derivatives. The reaction forms no wastes except for water. Under similar conditions, the aerobic coupling with acrylates also takes place smoothly to produce 7-vinylphthalide derivatives via divinylation and subsequent cyclization.
引用
收藏
页码：1407 / 1409
页数：3
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