N-2-Hydroxypropyl piperidines are provided, as well as a process for preparing these compounds, having the formula:
wherein
X is selected from the group consisting of
wherein
R is selected from the group consisting of hydrogen; alkyl; alkenyl; cycloalkyl; alkaryl; hydroxyalkyl; oxyalkyl; acyl and aroyl having from one to about eighteen carbon atoms;
R2 and R3 are each selected from the group consisting of alkyl, alkenyl, cycloalkyl, alkaryl, hydroxyalkyl, oxyalkyl and haloalkyl having from one to about eighteen carbon atoms;
R4, Rs and R6 each are selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, alkaryl, hydroxyalkyl, oxyalkyl and haloalkyl having from one to about eighteen carbon atoms; and -CH2-O-R1; n is 1 or 2; and and Y, when n is 1, is hydroxy or
and when n is 2, is oxyoxygen.
本发明提供了 N-2-羟丙基
哌啶以及制备这些化合物的工艺,其
化学式为
其中
X 选自以下组成的组
其中
R 选自由 1 至约 18 个碳原子的氢、烷基、烯基、环烷基、烷芳基、羟烷基、氧烷基、酰基和芳基组成的组;
R2 和 R3 分别选自由一个至约十八个碳原子的烷基、烯基、环烷基、烷芳基、羟烷基、氧烷基和卤代烷基组成的组;
R4、Rs 和 R6 各选自氢、烷基、烯基、环烷基、烷芳基、羟烷基、氧烷基和卤代 烷基(具有 1 至约 18 个碳原子)组成的组;和 -
CH2-O-R1; n 是 1 或 2;和 Y,当 n 是 1 时,是羟基或
当 n 为 2 时,为氧基。