Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Ring Expansion Reaction of 1,3-Dithiolanes and 1,3-Oxathiolanes Using Tellurium Tetrachloride
Hiroyuki TaniTokuo InamasuRui TamuraHitomi Suzuki
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1990 Volume 19 Issue 8 Pages 1323-1326

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Abstract

On treatment with tellurium tetrachloride in dichloromethane at room temperature, 1,3-dithiolanes and 1,3-oxathiolanes undergo smooth ring expansion to give dihydro-1,4-dithiin and dihydro-1,4-oxathiin derivatives respectively in good to moderate yields.

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© 1990 The Chemical Society of Japan
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