Development of the Meyer–Schuster Rearrangement on Propargylic Alcohols with Fluorinated Chains

Author:

Justaud Frédéric12,Grée René12ORCID

Affiliation:

1. University of Rennes Institute for Chemical Sciences in Rennes (ISCR) CNRS UMR 6226 Avenue du Général Leclerc 35042 Rennes Cedex France

2. University of Rennes Institute for Chemical Sciences in Rennes (ISCR) CNRS UMR 6226 Rennes France

Abstract

AbstractThe Meyer–Schuster Rearrangement (MSR) is a challenging process for propargylic alcohols bearing fluorine atom(s) on their chains. Most classical reagents/catalysts failed to perform the MSR but, after extensive screening, we demonstrated that phosphomolybdic acid was the first efficient catalyst for the MSR with such derivatives. The scope and limitations have been studied, affording fluorine‐containing enones as useful intermediates for the synthesis of targets with fluorine(s) on their side chains. It was exemplified by the preparation of a 2‐piperidino‐pyrimidine and a pyrazole.

Publisher

Wiley

Subject

Organic Chemistry,Physical and Theoretical Chemistry

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