期刊
ACS CATALYSIS
卷 10, 期 2, 页码 947-954出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.9b02811
关键词
manganese; alpha-olefination; alcohol; hydrogen; acceptorless dehydrogenation
资金
- SERB, India [CRG/2018/002480]
- UGC, India
An expedient catalytic approach for alpha-olefination of nitriles using secondary alcohols with the liberation of molecular hydrogen and water as the only byproducts is reported. This reaction is catalyzed by a molecularly defined manganese(I) pincer complex and operates in the absence of any hydrogen acceptors. A broad range of substrates including cyclic, acyclic, and benzylic alcohols, as well as various nitrile derivatives, such as arylmethyl and heteroarylmethyl nitriles, are employed in the reaction to provide a diverse range of alpha-vinyl nitriles in good to excellent yields. Mechanistic studies showed that the reaction proceeds via dehydrogenative pathway and the activation of alpha(C-H) bond of the alcohol is the rate-determining step.
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