Patent number: 8426625
Abstract: A compound of general formula (I): in which: R is selected from the group consisting of (C1-C25)alkyl, (C2-C25)alkenyl, aryl, (C7-C10)aralkyl; n and m are each independently an integer of two to eight; p is one or two; A is selected from the group consisting of —B—, —B—(CH2)r—B—, —B—(CH2)r—B—(CH2)z—B—, wherein r and z are an integer from 2 to 8, B is a —NR1— or —N(R2)2+1/pQ?p group, in which R1 is selected from hydrogen, (C1-C4)alkyl, (C1-C4)acyl, tert-butoxycarbonyl, and R2 is selected from hydrogen and (C1-C4)alkyl; Q?p is an anion selected from chloride, bromide, iodide, nitrate, sulphate, hydrogen sulphate, perchlorate, R3COO? wherein R3 has the same meanings as R, independently from one another and R4—O—SO3? wherein R4 is (C2-C14)alkyl with the proviso that, when Q?p is selected from chloride, bromide, iodide, nitrate, sulphate, hydrogen sulphate, perchlorate, R is not (C1-C4)alkyl.
Type:
Grant
Filed:
December 21, 2006
Date of Patent:
April 23, 2013
Assignee:
Cell Therapeutics, Inc.
Inventors:
Alberto Bernareggi, Mario Grugni, Giulio Mariotti, Ernesto Menta, Gianluca Pardi, Paolo Pavesi, Gabriella Pezzoni, Paolo Nicoli, Sergio De Munari