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Photocatalytic Cycloaddition Reaction of Triarylphosphines with Alkynes Forming Cyclic Phosphonium Salts

preprint
submitted on 27.05.2021, 04:43 and posted on 28.05.2021, 04:54 by Yusuke Masuda, Daichi Ikeshita, Masahiro Murakami
Herein reported is a photocatalytic cycloaddition reaction of triarylphosphines with alkynes. Phosphonium salts of unique bicyclic structures are synthesized through a radical pathway under mild reaction conditions. The phosphonium salts are subjected to the Wittig olefination reaction to afford structurally interesting phosphine oxides.

Funding

JSPS KAKENHI 19K15562

JSPS KAKENHI 21K14626

History

Email Address of Submitting Author

ymasuda@sci.hokudai.ac.jp

Institution

Hokkaido University

Country

Japan

ORCID For Submitting Author

0000-0002-0386-9989

Declaration of Conflict of Interest

no conflict of interest

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