Bromo-boronolactonization of olefins
- PMID: 11597243
- DOI: 10.1021/jo015838z
Bromo-boronolactonization of olefins
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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