| 摘要 |
The present invention relates to compounds of the following formula R1 N ANGLE ¦ R2¦NO ANGLE ¦ ANGLE N-(Y)-C-Ar R3 I wherein Y is straight or branched chain alkylene containing 1-4 carbon atoms; R1 is lower alkyl containing 1-7 carbon atoms; X is hydrogen, halo such as fluoro, chloro, bromo or iodo, or lower alkyl containing 1-7 carbon atoms; Ar is phenyl, 2-pyridyl, mono-substituted phenyl, wherein the substituent is halo such as fluoro, chloro, or bromo, or lower alkyl containing 1-7 carbon atoms; and R2 and R3 are lower alkyl containing 1-7 carbon atoms, or R2 and R3 together with N is an azamonocyclic ring selected from the group comprising pyrrolidinyl, piperidino, 4-phenyl-4-hydroxypiperidino, 4-phenyl-4-carboxypiperidino, 4-phenyl-4-carbalkoxypiperidino, or 4-phenyl-4-acetoxypiperidino substituted piperidino and morpholino, or an azabicyclo-alkane containing 6 to 9 carbon atoms and containing at least 5 atoms in each ring of the azabicycloalkane. |
