DERIVATIVES OF URONIC (ALKYL-D-MANNOPYRANOSIDE) ACID, METHODS FOR THE PREPARATION THEREOF, AND APPLICATIONS THEREOF

摘要

Disclosed are derivatives of general formula (I), in which x equals zero or one, R1 represents -(CH2)n-CH3, n ranging between 3 and 21, R2 and R3, which can be identical or different, represent one or another of the following substituents: O-(CH2)m-CH3, m ranging between 3 and 21; OH; OM, M representing an alkali or alkaline-earth metal cation; NH-(CH2)p-CH3, p ranging between 3 and 11; NH-(CH2)q-NH2, q ranging between 4 and 22; NH-(CH2)r-NH-CO-CH2-N(CH3)3 CI, r ranging between 4 and 22; NH-(CH2)s-NH-CO-sugar, s ranging between 4 and 22, and the salts thereof.