Patent ID: 7629108

Claim:
A nitrogen-containing organic compound bearing a nitrogen-containing heterocycle and a steroid structure, represented by one of the general formulae (2′) to (10′): wherein R 4 is each independently hydrogen, a straight, branched or cyclic C 1 -C 10 alkyl group, C 6 -C 15 aryl group or C 7 -C 15 aralkyl group, R 5 is hydrogen or methyl, R 6′ is an alkyl group of 21 to 49 carbon atoms having a steroid structure which may contain a hydroxyl, carbonyl, ester, ether, cyano or acetal group, R 7 is a single bond, methylene group, oxygen atom or sulfur atom, R 8 is a straight or branched C 1 -C 9 alkylene group, and R 9′ is an alkyl group of 22 to 50 carbon atoms having a steroid structure which may contain a hydroxyl, carbonyl, ester, ether or cyano group.