Patent ID: 8772526
Filing Date: 2014-07-08
Classification: C07C,C07D

Abstract:
1. A method for the preparation of a glycerol dithiocarbamate (GDTC) of formula in which R′ wherein said method comprises implementing a reaction medium with a carbon disulphide CS said reaction medium comprising (a) a glycerol type polyol of formula in which R 1 has the same meanings as above and a carbonate selected from the group consisting of diethyl carbonate, dimethyl carbonate, ethylene carbonate and propylene carbonate in the presence of a basic catalyst, or (b) a cyclic carbonate comprising five ring members having the following formula (IV): wherein R (c) a cyclic carbonate comprising five ring members of formula in which R′ (d) a cyclic polycarbonate comprising five ring members; and recovering the formed GDTC.