| 摘要 |
Compound of the formula (I) or of the formula (M-I) or mixture thereof, where R1 to R5 are selected from among the radicals R1: -alkyl, -vinyl, -CHOH-CH2OH, -CH(Oacyl)-CH2OH, -CHOH- CH2(Oacyl), formula (AA) -CH(Oacyl)-CH2(Oacyl), formula R6 = -alkyl or -aryl, R2: -H, -OH, -Oalkyl, -Oacyl, -saccharide radicals, -acylated saccharide radicals R3: -H, -OH, -Oalkyl, -Oacyl, -Oacyl-acylated saccharide radicals, acylated saccharide radicals R4, R5: -COOH, -carboxylic esters M: transition metal ion and also process for the preparation thereof and uses thereof. |
