Patent ID: 7838685
Filing Date: 2010-11-23
Classification: A61K,A61Q,C07D,C07K

Abstract:
1. A cationic amino acid type lipid represented by formula (I): wherein R R 2 and R 3 are each independently a C 12-30 alkyl, alkenyl or alkynyl group, said alkyl, alkenyl or alkynyl group optionally having a substituent selected from the group consisting of alkyl groups, alkenyl groups, alkynyl groups, isoprenoid groups, vinyl groups, carboxyl groups, hydroxyl groups, amino groups and mercapto groups, A 1 and A 2 are each independently a linkage group selected from the group consisting of —COO—, —OCO—, —CONH— and —NHCO—, and n is an integer of 2 to 4.