No stirring necessary: Parallel carbonylation of aryl halides with CO and various alcohols under pressure

被引:35
作者
Blaser, HU
Diggelmann, M
Meier, H
Naud, F
Scheppach, E
Schnyder, A
Studer, M
机构
[1] Solvias AG, CH-4002 Basel, Switzerland
[2] Syngenta AG, CH-4002 Basel, Switzerland
关键词
D O I
10.1021/jo034112v
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The parallel carbonylation of aryl halides with 6-25 bar of CO in 1-mL vials in a standard autoclave was investigated. 4-Bromoacetophenone and 2-chloropyridine were used as model substrates with 102 different O-nucleophiles (primary and secondary alcohols, phenols). No inertization during the loading was necessary. Fifty esters (43 new, yield up to 60%) were isolated and characterized. Ether, ester, ketone, and sometimes even olefin functions were usually tolerated. The new method is suitable for screening and small scale products synthesis.
引用
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页码:3725 / 3728
页数:4
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