Chemistry Letters p. 1323 - 1326 (1990)
Update date:2022-08-31
Topics:
Tani, Hiroyuki
Inamasu, Tokuo
Tamura, Rui
Suzuki, Hitomi
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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