Borane catalysed cyclopropenation of arylacetylenes

Stefkova, Katarina, Heard, Matthew J., Dasgupta, Ayan and Melen, Rebecca L. ORCID: https://orcid.org/0000-0003-3142-2831 2021. Borane catalysed cyclopropenation of arylacetylenes. Chemical Communications 57 (55) , pp. 6736-6739. 10.1039/D1CC01856F

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Abstract

Triarylboranes have gained substantial attention as catalysts for C–C bond forming reactions due to their remarkable catalytic activities. Herein, we report B(C6F5)3 catalysed cyclopropenation of a wide variety of arylacetylenes using donor–acceptor diazoesters. A mild reaction protocol has been developed for the synthesis of functionalised cyclopropenes (33 examples) in good to excellent yields.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Additional Information:	This article is licensed under a Creative Commons Attribution 3.0 Unported Licence
Publisher:	Royal Society of Chemistry
ISSN:	1359-7345
Funders:	EPSRC
Date of First Compliant Deposit:	18 June 2021
Date of Acceptance:	7 June 2021
Last Modified:	05 May 2023 18:00
URI:	https://orca.cardiff.ac.uk/id/eprint/141976

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