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  • The O-acylation of ketone enolates by allyl 1H-imidazole-1-carboxylate mediated with boron trifluoride etherate: a convenient procedure for the synthesis of substituted allyl enol carbonates.

The O-acylation of ketone enolates by allyl 1H-imidazole-1-carboxylate mediated with boron trifluoride etherate: a convenient procedure for the synthesis of substituted allyl enol carbonates.

The Journal of organic chemistry (2007-10-30)
Barry M Trost, Jiayi Xu
ABSTRACT

A convenient access to substituted allyl enol carbonates was established through the reaction of ketone enolates with the complex of allyl 1H-imidazole-1-carboxylates and boron trifluoride etherate.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Allyl 1H-imidazole-1-carboxylate, 95%
Sigma-Aldrich
2-Methyl-1-indanone, 99%
Sigma-Aldrich
Boron trifluoride diethyl etherate, for synthesis
Sigma-Aldrich
Boron trifluoride diethyl etherate, purified by redistillation, ≥46.5% BF3 basis