Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 38, Pages 11245-11249Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201505810
Keywords
alkynes; boron; cyclizations; heterocycles; synthetic methods
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Funding
- European Research Council (FP7) [305868]
- EPSRC [EP/J000973/1, EP/ K039547/1]
- Royal Society
- Engineering and Physical Sciences Research Council [EP/K039547/1, EP/J000973/1, 1537618] Funding Source: researchfish
- EPSRC [EP/J000973/1, EP/K039547/1] Funding Source: UKRI
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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(sp(2))-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.
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