AMIDINE DERIVATIVES AND DRUG CARRIERS COMPRISING THEM

摘要

Novel amidine derivatives of general formula (1); and drug carriers (such as liposomes or emulsions) comprising the derivatives, which can enclose genetic materials or drugs and transfer them to cells or affected sites efficiently and safely, wherein A is an aromatic ring; R<1> and R<2> are each independently C10-C25 alkyl or alkenyl; X and Y are each independently -O-, -S-, -COO-, -OCO-, -CONH- or -NHCO-; m is 0 or 1; and n is 0 or a natural number of 1 to 6.