Patent ID: 8877157
Filing Date: 2014-11-04
Classification: A61K,C07C,C07D

Abstract:
1. A compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein: X is a heteroatom N, S, O, or P; R R R wherein each R or wherein at least one of R wherein n is 0 or greater, m is 0 or greater, and R c is a chelator moiety; R R each R each R n′ is an integer from 1-3, wherein the compound comprises at least one chelator moiety, and wherein the chelator moiety comprises the structure: wherein: each R′ is a group capable of coordinating a metal ion; and R″ is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylaryl, alkylcarbonyl, aryl, arylalkyl, alkylarylalkyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, heteroalkyl, heterocyclyl, heterocyclylalkyl, or substituted derivatives thereof.