Selective cyclization of the biscarbanion of 1,1 bis(2 t butylsulfnylethyl) dodecylphenylsulfone (1) under the different conditions was investigated.

• 比较 1；1 双 (2 叔丁基砜乙基 )十二烷基苯基砜 (1)双碳负离子在不同条件下的环合反应结果 .