Patent ID: 6458953
Filing Date: 2002-10-01
Classification: C07C,C07D

Abstract:
A compound having the structure of one of the following formulae: wherein:n is a positive integer from 1 to 10; y1, y2, and y3 are independently 1 or 2; J independently denotes either an oxygen atom or a covalent bond; RC is selected from the group consisting of: hydrocarbyl groups having from 1 to 20 carbon atoms; organic groups consisting only of carbon, oxygen, and hydrogen atoms, and having from 1 to 20 carbon atoms; organic groups consisting only of carbon, oxygen, nitrogen, and hydrogen atoms, and having from 1 to 20 carbon atoms; organic groups consisting only of carbon, oxygen, sulfur, and hydrogen atoms, and having from 1 to 20 carbon atoms; each G1, G2, and G3 is independently selected from the group consisting of: hydrocarbyl groups having from 1 to 20 carbon atoms; organic groups consisting only of carbon, oxygen, and hydrogen atoms, and having from 1 to 20 carbon atoms; organic groups consisting only of carbon, oxygen, nitrogen, and hydrogen atoms, and having from 1 to 20 carbon atoms; each RN is independently selected from the group consisting of: hydrogen; linear or branched alkyl groups having from 1 to 15 carbon atoms; alkyl groups comprising an alicyclic structure and having from 1 to 15 carbon atoms; aromatic groups having from 6 to 20 carbon atoms; heteroaromatic groups having from 3 to 20 carbon atoms; each Z is independently selected from the group consisting of: â€”H â€”C(&boxH;O)ORCARB â€”C(&boxH;O)RESTER â€”C(&boxH;O)NRARB wherein:each RCARB is organic groups comprising from 1 to about 20 carbon atoms; each RESTER is organic groups comprising from 1 to about 20 carbon atoms; each group â€”NRARB is independently selected from the group consisting of: â€”NH2 â€”NHRA â€”NRARB â€”NRAB wherein each monovalent RA and RB and each divalent RAB is independently an organic group comprising from 1 to 20 carbon atoms, and further comprising a reactive conjugating functional group; wherein the compound has at least three carbamate linkages and at least two branches.