Skeletal Editing of Chromone-Fused Dienes to Cyclopropane by Photochemical Carbon Deletion.

Org Lett

Key Laboratory of Chinese Medicinal Resource from Lingnan, Ministry of Education, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China.

Published: November 2023

A visible-light-driven, photocatalyst-free, air-assisted carbon cleavage of dienes was achieved. Photochemical editing of dienes via an electron donor-acceptor (EDA) complex facilitates direct access to cyclopropane derivatives. This innovative methodology creates an opportunity for the efficient access to valuable cyclopropane derivatives under mild and ambient conditions.

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Source
http://dx.doi.org/10.1021/acs.orglett.3c03317DOI Listing

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