申请人:Synthelabo
公开号:US05034401A1
公开(公告)日:1991-07-23
A compound, in the form of a pure optical isomer or a mixture thereof, of formula (I): ##STR1## in which: Z represents a group of formula --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --CH.dbd.CH--, --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.3 --, --NH-- or --N(CH.sub.3)CH.sub.2 --, in which the nitrogen is bonded to the carbonyl group; R1 represents hydrogen or a C.sub.1 -C.sub.4 alkyl group; R2 represents hydrogen or a methyl group; and R3 represents: a phenoxy group which is unsubstituted or substituted by a halogen or a methyl group, a naphthyloxy group, a phenylmethyl group substituted by a halogen or a methyl group, an unsubstituted phenylmethyl group when Z does not represent a group of formula --CH.dbd.CH-- or --(CH.sub.2).sub.2 --, a bis (4-fluorophenyl)-methyl group, a phenylmethoxy group which is unsubstituted or substituted by a halogen or a methyl group, a (2-naphthyl)methoxy group, a phenoxymethyl group which is unsubstituted or substituted by a halogen or a methyl group, or a pyridinyloxy group, and R4 represents hydrogen; or R3 and R4 form, together and with the piperidine ring to which they are attached, a spiro (2,3-dihydrobenzofuran-2,4'-piperid-1-yl) group; or a pharmacologically acceptable acid addition salt thereof.
化合物,以纯的光学异构体或其混合物的形式,其化学式为(I):##STR1## 其中:Z代表的是--CH.sub.2 --,--C(CH.sub.3).sub.2 --,--CH.dbd.CH--,--(CH.sub.2).sub.2 --,--(CH.sub.2).sub.3 --,--NH--或--N(CH.sub.3)CH.sub.2 --的基团,其中氮原子与羰基相连;R1代表氢或C.sub.1 -C.sub.4烷基基团;R2代表氢或甲基基团;R3代表:苯氧基,未取代或被卤素或甲基基团取代,萘氧基,苯甲基基团,被卤素或甲基基团取代,当Z不代表--CH.dbd.CH--或--(CH.sub.2).sub.2 --的基团时,未取代的苯甲基基团,双(4-氟苯基)-甲基基团,苯甲氧基,未取代或被卤素或甲基基团取代,(2-萘基)甲氧基,未取代或被卤素或甲基基团取代的苯氧甲基基团,或吡啶氧基,R4代表氢;或R3和R4一起与它们附着的哌啶环形成一个螺环(2,3-二氢苯并呋喃-2,4'-哌啶-1-基)基团;或其药理学上可接受的酸盐。