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. 2001 Oct 19;66(21):7148-50.
doi: 10.1021/jo015838z.

Bromo-boronolactonization of olefins

J R Falck  1 , M Bondlela, S K Venkataraman, D Srinivas
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Bromo-boronolactonization of olefins

J R Falck et al. J Org Chem. .

Abstract

Exposure of a variety of mono- and disubstituted ortho-alkenylarylboronic acids to NBS in THF/H(2)O under neutral conditions affords bromo-boronolactones, in some instances, with exceptional regiocontrol. The adducts, analogous to those formed by carboxylic acids, are shown to be useful synthetic intermediates.

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