NEW RELATIONS WITH THE ERGOLING COMMITTEE

摘要

New compounds of the general formula (I) IMAGE (I) wherein R stands for hydrogen or methyl group, X Y STANDS FOR A GROUP OF THE FORMULA IMAGE and R1 stands for a group of the formula (III), (IV) or (V) IMAGE (III) IMAGE (IV) IMAGE (V) wherein n is an integer from 4 to 10, ARE PREPARED BY ACYLATING A COMPOUND OF THE GENERAL FORMULA (II), IMAGE (II) wherein R and x y each have the same meanings as defined above, and R2 stands for a group of the formula (VI), (VII) or (VIII), IMAGE (VI) IMAGE (VII) IMAGE (VIII) with a C6-12 carboxylic acid or a C6-12 carboxylic acid halide.