| abstract |
Procedure for the preparation of compounds of the general formula ** (See formula) ** in which it means R: H, C1 to C3 alkyl, by the reaction of glycerol or a compound from which glycerol is released , with a compound of the general formula (II) R-SH in which it means R: H, C1 to C3 alkyl, or with compounds, from which this compound (II) is prepared, in the presence of a Acidic solid material catalyst, whose value of H0 (Hammett acid function) is less than +2. |