| abstract |
The present invention describes method of preparation of esters or amides of lactyl lactates of general formula (I), where Z denotes to group of R-O or RR-N and R represent alkyl, aryl or H from lactide and the lactide is in contact with a hydrocarbyl alcohol and a hydrolyzable halide in a non-chlorinated organic solvent, or an amine initiated by a hydrolysable halide or hydrogen halide solution or an ammonium hydrohalide, wherein the hydrocarbyl alcohol or amine is either aliphatic or aromatic and containing 1 to 1000 carbon atoms, preferably 1 up to 150 carbon atoms, and optionally one or more, preferably 1 to 5, -CH2- groups may be replaced by -O-groups. |