Regioselectivity in the formation of cyclic sulphones from 4- and 5-alkenesulphonyl chlorides
作者:Peter N. Culshaw、John C. Walton
DOI:10.1016/s0040-4039(00)97084-9
日期:1990.1
Alk-4-enesulphonyl chlorides and alk-5-enesulphonyl chlorides cyclise under free radical conditions mainly in the mode to give tetrahydrothiopyran-1,1-dioxide and thiepane- 1,1-dioxide respectively.