申请人:PFIZER INC.
公开号:EP0048572A2
公开(公告)日:1982-03-31
Compounds are disclosed having the formula
wherein
R1 is hydrogen, benzyl or an ester moiety;
Y is -CH(R2")CH(R2)- or -CH(R3)CH2-;
R2" is hydrogen or methyl;
R2 is OH or X-substituted (C1-6)alkyl;
R3 is OH, cyano or X-substituted (C1-3)alkyl;
X is -OR6, -SR6, -S(O)R6, -S(O)2R6, -NR6R7, -COOR7, -CONR7R8 or oxo;
with the proviso that when X is -NR6R7, -COOR7 or -CONR7R8, said group is located on the terminal carbon atom of R2 or R3;
Re is hydrogen, (C1-6)alkyl or acetyl, with the provisos that, when R6 in -NR6R7 is acetyl, R7 is hydrogen, and R6 in S(O)R6 and S(O)2R6 cannot be acetyl;
each of R7 and R8 is hydrogen or (C1-6)alkyl;
s is an integer of 1 or 2; and Z-W is alkyl or oxaalkyl having 5 to 13 carbon atoms, or phenyl- or pyridyl-alkyl or -oxaalkyl having 3 to 8 carbon atoms in the alkyl or oxaalkyl group.
Pharmaceutical compositions of such compounds, other than those in which
is mandeloyl or R1 is benzyl, are useful as analgesic or CNS agents and as anti-emetic agents.
所公开的化合物具有如下式子
式中
R1 是氢、苄基或酯基;
Y 是-CH(R2")CH(R2)- 或-CH(R3)CH2-;
R2 "是氢或甲基;
R2 是 OH 或 X-取代的 (C1-6)烷基;
R3 是 OH、氰基或 X-取代的(C1-3)烷基;
X 是-OR6、-SR6、-S(O)R6、-S(O)2R6、-NR6R7、-COOR7、-CONR7R8 或氧代;
但当 X 为-NR6R7、-COOR7 或-CONR7R8 时,所述基团位于 R2 或 R3 的末端碳原子上;
Re 是氢、(C1-6)烷基或乙酰基,但条件是当 -NR6R7 中的 R6 是乙酰基时,R7 是氢,S(O)R6 和 S(O)2R6 中的 R6 不能是乙酰基;
R7 和 R8 均为氢或 (C1-6)烷基;
s 是 1 或 2 的整数;Z-W 是具有 5 至 13 个碳原子的烷基或氧烷基,或在烷基或氧烷基中具有 3 至 8 个碳原子的苯基或吡啶基烷基或氧烷基。
这类化合物的药物组合物,除了其中的
为扁桃酰基或 R1 为苄基的化合物以外,这类化合物的药物组合物可用作镇痛剂或中枢神经系统药物以及止吐药。