Silicon-assisted propargylic transfer to aldehydes
Literature Information
Kiew-Ching Lee, Man-Jing Lin, Teck-Peng Loh
A new and efficient method of obtaining homopropargylic alcohols via homopropargylic transfer from the allenic alcohol to various aldehydes in the presence of Lewis acid catalysts is described; stereochemical studies have shown that this process is the first oxonium [3,3]-sigmatropic rearrangement of an allenic alcohol to a homopropargylic alcohol in the presence of aldehydes and Lewis acid.
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