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Direct N-acetyl enamine formation: lithium bromide mediated addition of methyllithium to nitriles. | LitMetric

Direct N-acetyl enamine formation: lithium bromide mediated addition of methyllithium to nitriles.

Org Lett

Department of Process Research, Merck Research Laboratories, Merck & Company, P.O. Box 2000, Rahway, NJ 07065, USA.

Published: August 2006

An improved protocol for N-acetyl enamine formation is disclosed which involves LiBr-mediated addition of MeLi to substituted nitriles. The resulting enamides are isolated in high yields and excellent purity which permits subsequent hydrogenation at very low catalyst loading.

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Source
http://dx.doi.org/10.1021/ol061318kDOI Listing

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