摘要:
Compounds of the formula (I) ##STR1## wherein R represents H or C.sub.1-6 alkyl;R.sub.1 and R.sub.2 represent H, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkythio, C.sub.1-6 alkoxycarbonyl, carboxyl, hydroxy, nitro, cyano, optionally C.sub.1-4 alkyl mono- or disubstituted carbamoyl, optionally C.sub.1-4 alkyl mono- or disubstituted amino, C.sub.1-6 acylamino, C.sub.1-4 alkoxy carbonylamino, C.sub.1-6 alkylsulphynyl, C.sub.1-6 alkylsulphonyl or C.sub.1-6 acyl;R.sub.3 represents H, C.sub.1-6 alkyl, aryl or aralkyl, or it may be absent;A represents CO or C.dbd.S;E represents nitrogen;D represents CO or CR.sub.4 R.sub.5 when the E--D bond is single, or D is C--R when the D--E bond is double, in which R.sub.4 represents H, C.sub.1-6 alkyl, aryl, aralkyl, hydroxy or C.sub.1-4 alkoxy and R.sub.5 represents H;X represents oxygen or N--R, or it is absent;Y represents a basic group selected from: ##STR2## in which n is 2 or 3; p is 0 or 1 at the same time or not; q is 0,2 or 3; R.sub.6 and R.sub.7 may be at the same time or not, H, C.sub.1-4 alkyl, aralkyl or, when R.sub.7 is H or C.sub.1-4 alkyl, R.sub.6 may be --CR.sub.8 .dbd.N--R in which R.sub.8 represents H, C.sub.1-4 alkyl or amino.
摘要:
The invention relates to oxadiazole derivatives of general formula (I) wherein X, Y, Z and R1 are defined as described in the specification and claims, processes for preparing them and their use as pharmaceutical compositions.
摘要:
Pharmacologically active novel esters and amides of di-substituted 1,4 piperidine as 5-HT.sub.4 antagonists of formula (I) ##STR1## wherein A, X, Y and R have the meanings specified in the description, and a process for their preparation, are disclosed.