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Photocatalyzed formal carbooxygenation of terminal alkynes

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Abstract

An efficient visible-light-induced formal carbooxygenation of N-arylsulfonylamido alkynes has been developed. This metal-free transformation allows for the rapid assembly of 4-formyl benzothiazines from readily available substrates through the sequential formation of C–C and C[double bond, length as m-dash]O bonds. 18O isotope tracing revealed that the formyl oxygen is derived from aerial oxygen.

Graphical abstract: Photocatalyzed formal carbooxygenation of terminal alkynes

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Article information


Submitted
06 Jan 2020
Accepted
19 May 2020
First published
21 May 2020

Org. Chem. Front., 2020, Advance Article
Article type
Research Article

Photocatalyzed formal carbooxygenation of terminal alkynes

F. Chen, C. Yang, X. Hu, X. Zhang, H. Xie, H. Jiang, F. Jiang and W. Zeng, Org. Chem. Front., 2020, Advance Article , DOI: 10.1039/D0QO00020E

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