Carried out a reaction to obtain dithione from 2,2,6,6-tetramethylheptane-3,5-dione but got different product from the reaction?

Carried out a reaction to obtain 2,2,6,6-tetramethylheptane-3,5-dithione from 2,2,6,6-tetramethylheptane-3,5-dione but got different product from the reaction, attached here the reaction condition...

01 January 1970 3,063 3 View