BCl3is 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 BCl3to generate trisubstituted vinyl boronate esters.
Formation of C(sp2)Boronate Esters by Borylative Cyclization of Alkynes Using BCl3 / A.J. Warner, J.R. Lawson, V. Fasano, M.J. Ingleson. - In: ANGEWANDTE CHEMIE. INTERNATIONAL EDITION. - ISSN 1433-7851. - 54:38(2015 Sep 14), pp. 11245-11249. [10.1002/anie.201505810]
Formation of C(sp2)Boronate Esters by Borylative Cyclization of Alkynes Using BCl3
V. FasanoPenultimo
;
2015
Abstract
BCl3is 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 BCl3to generate trisubstituted vinyl boronate esters.
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