| 摘要 |
<p>Compounds of formula (I), wherein A is a -CH2- group, m is an integer from 0 to 12, and the radical R is selected from groupings of formulae (II), (III) and (IV), wherein n is an integer from 1 to 20, Y may have a wide variety of meanings, especially a hydrogen atom or a -OH, -NH2 or -COOH group, R1 is selected from the following groups: -(CH2CH2O)n-Y and -(CH2CH2NH)n-Y, and R2 is a hydrogen atom or has the same meaning as R1. Compositions containing said compounds and a method for preparing same are also disclosed.</p> |
