Formation of C(sp(2))-Boronate Esters by Borylative Cyclization of Alkynes Using BCl3

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BCl3 is an inexpensive electrophile which induces the borylative cyclization of a wide range of substituted alkynes to regioselectively form polycycles containing synthetically versatile C(sp2)boronate esters. It proceeds rapidly, with good yields and is compatible with a range of functional groups and substitution patterns. Intermolecular 1,2‐carboboration of alkynes is also achieved using BCl3 to generate trisubstituted vinyl boronate esters.

Bibliographical metadata

Original languageEnglish
Pages (from-to)11245-11249
Number of pages5
JournalAngewandte Chemie-International Edition
Issue number38
StatePublished - 14 Sep 2015