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J Org Chem. 2013 Sep 20;78(18):9499-504. doi: 10.1021/jo401581n. Epub 2013 Sep 11.

Iron halide-mediated regio- and stereoselective halosulfonylation of terminal alkynes with sulfonylhydrazides: synthesis of (E)-β-chloro and bromo vinylsulfones.

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  • 1College of Chemical Engineering and Materials Science, Zhejiang University of Technology , Hangzhou 310014, People's Republic of China.


Halosulfonylation of terminal alkynes was achieved with sulfonylhydrazides as the sulfonyl precursor and inexpensive iron halide as halide source in the presence of TBHP, allowing the regio- and stereoselective generation of (E)-β-chloro and bromo vinylsulfones.

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