Journal
ORGANIC LETTERS
Volume 23, Issue 12, Pages 4843-4848Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c01571
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Funding
- 100-Talent Program in Shanxi province
- Jinan University
- National Natural Science Foundation of China [41877276, 21903059, 21472159]
- Natural Science Foundation of Shanxi Province [201901D111113, 201901D111109, 201901D211093]
- Guangdong Science and Technology Department [2021A1515012023]
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A metal-free heterogeneous photocatalysis using inexpensive graphitic carbon nitride (g-C3N4) has been developed for the synthesis of benzothiazoles via intramolecular C-H functionalization/C-S bond formation of thiobenzanilides under visible-light irradiation. This reaction provides high yields of 2-substituted benzothiazoles without the need for a strong base or organic oxidizing reagents, and the catalyst is stable and reusable after five reaction cycles.
A metal-free heterogeneous photocatalysis has been developed for the synthesis of benzothiazoles via intramolecular C-H functionalization/C-S bond formation of thiobenzanilides by inexpensive graphitic carbon nitride (g-C3N4) under visible-light irradiation. This reaction provides access to a broad range of 2-substituted benzothiazoles in high yields under an air atmosphere at room temperature without addition of a strong base or organic oxidizing reagents. In addition, the catalyst was found to be stable and reusable after five reaction cycles.
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