DOI: 10.1039/d6qo01057a ISSN: 2052-4129

Additive-free tandem trifluoromethylthiolation/cyclization for the synthesis of 3-(trifluoromethylthio)benzofurans and benzopyrans using CF 3 SOCl

Si-Jing Jiang, Xiao-Han Qiu, Li-Na Yang, Bang-Yi Zhang, Yu-Ning Gao, Ming Bian, Cun-Feng Song, Hui-Yu Chen, Zhen-Jiang Liu

An additive-free protocol has been developed for the synthesis of 3-(trifluoromethylthio)benzofurans and benzopyrans from alkoxyalkynylbenzenes using trifluoromethanesulfinyl chloride as the electrophilic trifluoromethylthiolating reagent.

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