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Visible-Light-Induced Oxidative Cleavage of C-C Triple Bond via Hydroamination: Direct Synthesis of Oxamates from Amines and Activated Alkynes

preprint
revised on 10.01.2019 and posted on 10.01.2019 by Sharada Duddu. S, Sagar Arepally, Arumugavel Murugan, Narenderreddy Katta, Mamata Ojha

The direct oxidative cleavage of activated alkynes via hydroamination has been described using organic photocatalyst under visible-light irradiation at room temperature. In this reaction, the single electron oxidation of an insitu formed enamines undergo radical coupling with oxidant which finally delivers the oxamates. The key features of this photocatalytic reaction are the mild reaction conditions, metal-free organic dye as photocatalyst, TBHP plays dual role as “O” source and for the regeneration of photocatalyst.

History

Email Address of Submitting Author

sharada@iith.ac.in

Institution

Indian Institute of Technology

Country

India

ORCID For Submitting Author

0000-0001-5861-4126

Declaration of Conflict of Interest

no conflict of interest

Version Notes

Revised version

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