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A synthesis of ynolates via the cleavage of ester dianions

✍ Scribed by Mitsuru Shindo

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 199 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)00924-6

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✦ Synopsis

A new method for ynolate synthesis via the cleavage of ester dianions has been developed. The key intermediates, ester dianions, generated from ct-bromocarboxylic acid ester enolates via lithiumhalogen exchange turned out to be so labile that they were cleaved rapidly to give ynolates.

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