Patent ID: 8975395
Filing Date: 2015-03-10
Classification: C07B,C07F

Abstract:
1. A material adapted for extracting metal cations in an aqueous medium, comprising polyazacycloalkane compounds (PACs) immobilized on a solid support (S), the material fitting the following formula (Ia): wherein: a, b and c are three integers, either identical or different, each of a, b and c being equal to 2 or 3; d1 and d2 are two integers, either identical or different, equal to 0, 1 or 2, it being understood that the sum (d1+d2) has the value 1 or 2; —Y— is a saturated or unsaturated, linear or branched divalent hydrocarbon group; j is an integer equal to 0, 1, 2 or 3; and k, which represents the number of bonds between the cyclic species and the solid support (S), is an integer equal to 1, 2 or 3; and each of the 4 Rc groups, either identical or different, represents a group fitting the general formula: