| 摘要 |
PURPOSE:4-Aminopiperidine derivatives and their salts of the following formula (where R<1> is C2-6 alkyl; R<2> is C1-6 alkyl; R<3> is C1-9 alkyl, phenyl, benzyl or phenylethyl; R<4> is C1-6 alkyl, cyclopentyl or cyclohexyl formed from R<3> and R<4> together; R<5> is C1-5 alkyl, C3-4 alkenyl, etc.; R<6> is C1-5 alkyl, C7-8 aralkyl, etc.; R<7> is H, C1-12 alkyl, cycloalkyl, etc.; X is H, oxyl radical, alkyl, etc.; Y is H or -CO-R<13> group, etc.; n is 1, 2 or 3) are new. |
