Synlett
DOI: 10.1055/s-0036-1588549
letter
© Georg Thieme Verlag Stuttgart · New York

Iodine-Catalyzed Regioselective Sulfenylation of 4H-Pyrido[1,2-a]pyrimidin-4-ones with Sulfonyl Hydrazides

Wenjie Liua, b, Shaohua Wang*a, b, Zhihao Caia, Ziying Lia, Jianwen Liua, Anda Wanga
  • aSchool of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
  • bGuangdong Cosmetics Engineering & Technology Research Center, Guangzhou, 510006, P. R. of China   Email: wangshaohua108@163.com
The work was financially supported by the Project for Enhanced Innovation of Guangdong Pharmaceutical University, Provincial Experimental Teaching Demonstration Center of Chemistry and Chemical Engineering.
Further Information

Publication History

Received: 16 June 2017

Accepted after revision: 18 July 2017

Publication Date:
22 August 2017 (eFirst)

Abstract

A simple and efficient method for direct sulfenylation of 4H-pyrido[1,2-a]pyrimidin-4-ones with sulfonyl hydrazides has been developed. The transformation is catalyzed by iodine under metal-free conditions with high regioselectivity and good functional-group tolerance.

Supporting Information