Visible light-mediated photocatalytic oxidative cleavage of activated alkynes via hydroamination: a direct approach to oxamates

Katta, Narenderreddy and Ojha, Mamata and Murugan, Arumugavel and Arepally, Sagar and D S, Sharada (2020) Visible light-mediated photocatalytic oxidative cleavage of activated alkynes via hydroamination: a direct approach to oxamates. RSC Advances, 10 (21). pp. 12599-12603. ISSN 2046-2069

Text
RSC_Advances.pdf - Published Version
Available under License Creative Commons Attribution.
Download (603kB)

Abstract

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 in situ formed enamine followed by radical coupling with an oxidant finally delivers the oxamate. The key features of this photocatalytic reaction are the mild reaction conditions, metal-free organic dye as a photocatalyst, and TBHP playing a dual role as "O" source and for the regeneration of the photocatalyst. This journal is © The Royal Society of Chemistry.

[error in script]

IITH Creators:

IITH Creators	ORCiD
D S, Sharada	https://orcid.org/0000-0001-5861-4126

Item Type:

Article

Additional Information:

We gratefully acknowledge the Council of Scientic and Industrial Research (02(0297)/17/EMR-II) and the Department of science and Technology-science and Engineering Research Board (DST-SERB-EMR/ 2016/ 000952) New Delhi, India, and Indian Institute of Technology Hyderabad (IITH) for nancial support. NRK and MO thanks DST-SERB, AVM thanks UGC, SA thanks CSIR, New Delhi, India for the award of research fellowship.

Uncontrolled Keywords:

Activated alkynes; Hydroaminations; Mild reaction conditions; Oxidative cleavages; Photocatalytic reactions; Radical coupling; Single electron oxidation; Visible-light irradiation

Subjects:

Chemistry

Divisions:

Department of Chemistry

Depositing User:

. LibTrainee 2021

Date Deposited:

24 Nov 2022 10:39

Last Modified:

24 Nov 2022 10:39

URI:

http://raiithold.iith.ac.in/id/eprint/11415