摘要:
Ergoline derivative having formula (I) wherein R.sub.1 is hydrogen atom or C.sub.1-4 alkyl group; R.sub.2 is hydrogen, chlorine, or bromine atom, methyl or C.sub.1-4 alkylthio group; n is 0, 1 or 2; the substituent at position 8 is in .alpha. or .beta. configuration; Het represents an aromatic 5-membered heterocyclic ring, said ring having three heteroatoms which are the same or different and which are selected from the group consisting of sulfur, oxygen and nitrogen atom and X is hydrogen, chlorine or bromine or fluorine atom, or a pharmaceutically acceptable acid addition salt thereof are active at the Central Nervous System level. A process for their preparation is also described, as are pharmaceutical compositions containing them. ##STR1##
摘要:
There are provided compounds of formula (I), wherein R1 is a hydrogen, chlorine or bromine atom or a methyl, methylthio, hydroxy, cyano or carboxamido group; R2 is C1-C3 alkyl or an alkyl group; R3 and R4 are independently a hydrogen atom, a C1-C5 alkyl group, a C3-C5 alkenyl group, a C5-C6 cycloalkyl C1-C3 alkyl group, a phenyl-C3-C5 alkenyl or phenyl group: which groups are optionally substituted by C1-C3 alkyl, C1-C3 alkoxy, triflouromethyl, hydroxy or amino group; or a group of formula (a), wherein R6 is hydrogen atom or a C1-C3 alkyl group and R7 is a phenyl group, a substituted phenyl group as described above or a heterocyclic ring, R5 is a hydrogen or bromine atom or an organic residue and R is H or an organic residue, or a pharmaceutically acceptable salt thereof. A process for their preparation and the pharmaceutical compositions comprising them are also provided.
摘要:
A compound of formula (1) wherein R1 is hydrogen, hydroxy, a group of formula OR5 wherein R5 is C1-C6 alkyl, C2-C6 alkenyl or C3-C8 cycloalkyl, halogen, amino which may be unsubstituted or mono or disubstituted by C1-C6 alkyl, C2-C6 alkenyl, aralkyl, acyl or trifluoroacetyl; R2 is hydrogen, hydroxy, a group NR6R7 wherein R6 and R7 independently represent hydrogen, an optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl or, taken together with the nitrogen atom, represent an optionally substituted C3-C8 heterocyclic ring; R3 is hydrogen, hydroxy, R4 is a 2-substituted thiazolyl or imidazolyl system and the pharmaceutically acceptable salt thereof, is useful in the treatment of amyloidosis. Processes for the preparation and pharmaceutical compositions are also described.
摘要:
A Disubstituted piperidine compounds of formula (I), wherein R.sub.1 is hydrogen; bromo; chloro; a linear or branched C.sub.1 -C.sub.5 alkyl group; a linear or branched C.sub.1 -C.sub.5 alkoxy group; or an optionally substituted phenyl group; R.sub.2 is hydrogen, a linear or branched C.sub.1 -C.sub.5 alkyl group or an optionally substituted phenyl group; X is CH.sub.2, C.dbd.O, CHOH or C.dbd.NOH; R.sub.3 is hydrogen or a linear or branched C.sub.1 -C.sub.5 alkyl group; Y is a (CH.sub.2).sub.n group in which n is an integer from 0 to 4, CHOH, C.dbd.O or CH-A wherein A is an optionally substituted phenyl group; A is an optionally substituted phenyl group; W is hydrogen or hydroxy; stereoisomers thereof and their pharmaceutically acceptable salts. The compounds possess selective neuroprotective activity and are useful in the treatment of an acute or a degenerative CNS disease. A process is described for preparing the compounds and pharmaceutical compositions containing them.
摘要:
Ergoline derivatives of the formula I: ##STR1## wherein R represents hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.1 represents hydrogen, chlorine, bromine or methyl; either R.sub.2 and R.sub.3 both represent hydrogen or together represent a chemical bond; R.sub.4 represents a C.sub.1 -C.sub.4 hydrocarbon group; each of R.sub.5, R.sub.6, R.sub.8 and R.sub.9 independently represents hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.7 represents hydrogen, C.sub.1 -C.sub.4 alkyl, phenyl or C.sub.3 -C.sub.7 cycloalkyl and n is 0, 1 or 2; are prepared by reaction between compounds of the formulae II and III: ##STR2## and subsequent cyclization of the resultant compounds. The compounds of the formula I are known useful anxiolytic, antipsychotic and anti-parkinson agents.
摘要:
Substituted pyrazolo[4,3-c]pyridine derivatives of formula (I) and pharmaceutically acceptable salts thereof, as defined in the specification, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful in therapy in the treatment of diseases associated with a dysregulated protein kinase activity, like cancer.
摘要:
Substituted pyrazolo[4,3-c]pyridine derivatives of formula (I) and pharmaceutically acceptable salts thereof, as defined in the specification, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful in therapy in the treatment of diseases associated with a dysregulated protein kinase activity, like cancer.
摘要:
Substituted pyrazolo[4,3-c]pyridine derivatives of formula (I) and pharmaceutically acceptable salts thereof, as defined in the specification, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful in therapy in the treatment of diseases associated with a dysregulated protein kinase activity, like cancer.
摘要:
The present invention relates to a class of compounds represented by the formula (I) or a pharmaceutical acceptable salt, prodrug or ester thereof, pharmaceutical compositions comprising compounds of the formula (I), and methods of selectively inhibiting or antagonizing &agr;v&bgr;3 integrin.
摘要:
Substituted pyrazolo[4,3-c]pyridine derivatives of formula (I) and pharmaceutically acceptable salts thereof, as defined in the specification, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful in therapy in the treatment of diseases associated with a dysregulated protein kinase activity, like cancer.