Synlett 2018; 29(01): 116-120
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 Liu
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
b   Guangdong Cosmetics Engineering & Technology Research Center, Guangzhou, 510006, P. R. of China   eMail: wangshaohua108@163.com
,
Shaohua Wang*
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
b   Guangdong Cosmetics Engineering & Technology Research Center, Guangzhou, 510006, P. R. of China   eMail: wangshaohua108@163.com
,
Zhihao Cai
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
,
Ziying Li
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
,
Jianwen Liu
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
,
Anda Wang
a   School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. of China
› Institutsangaben
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.
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Publikationsverlauf

Received: 16. Juni 2017

Accepted after revision: 18. Juli 2017

Publikationsdatum:
22. August 2017 (online)


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