sulfolane

1,2,3,5,6-pentathiepane (lenthionine) was synthesized by dibromomethane instead of diiodomethane.

以二溴甲烷代替二碘甲烷为原料合成了1,2,3,5,6-五硫环庚烷(又名香菇精),该法原料成本低,操作简单,产率提高20%。