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ChemInform Abstract: Regioselective Synthesis of Functionally Hindered α-Methylstyrenes Through Ring Transformation of 2H-Pyran-2-ones with Mesityl Oxide

Authors :
Fateh V. Singh
Atul Goel
Amit Kumar
Source :
ChemInform. 39
Publication Year :
2008
Publisher :
Wiley, 2008.

Abstract

A regioselective synthesis of α-methylstyrenes with electron-withdrawing or -donating substituents is described and illustrated by carbanion-induced ring transformation of 2H-pyran-2-one with mesityl oxide in excellent yield. The potential of the reaction lies in the creation of an aromatic ring possessing an isopropenyl unit from six-membered lactones at room temperature under mild reaction conditions.

Details

ISSN :
15222667 and 09317597
Volume :
39
Database :
OpenAIRE
Journal :
ChemInform
Accession number :
edsair.doi...........063ca961eb486697530895ab434103e9
Full Text :
https://doi.org/10.1002/chin.200809105