摘要:
The invention relates to new 2-pyridine-thiol derivatives of the formula (I), ##STR1## wherein R is hydrogen or alkyl having from 1 to 4 carbon atoms,Z is phenyl optionally substituted by one or more halogen atoms and/or alkyl groups having from 1 to 4 carbon atoms,R.sup.1 and R.sup.2 each independently represents hydrogen, alkyl having from 1 to 4 carbon atoms, alkylphenyl having from 1 to 4 carbon atoms in the alkyl moiety or an ##STR2## group, in which R has the same meaning as defined above, and the substituent ##STR3## is attached to the pyridine ring in the position 3 or 4, with the proviso that if R.sup.1 and R.sup.2 are both methyl and Z is 4-chlorophenyl, R is other than hydrogen, and acid addition salts thereof.The invention further relates to processes for the preparation of the above compounds and to pharmaceutical compositions containing them as active ingredient.The compounds are pharmaceutically active, in particular show cytoprotective activity.
摘要:
New intermediate compounds of the formula (I) are disclosed ##STR1## wherein R is hydrogen or C.sub.1 to C.sub.4 alkyl;Z is phenyl optionally substituted by one or more halogen atoms and/or alkyl groups having 1 to 4 carbon atoms; andD is hydroxy, mesyloxy, p-tosyloxy, or halogen; or pharmaceutically acceptable acid addition salt thereof. The compounds of the Formula (I) are intermediates in the preparation of new compounds having anti-ulcer activity.
摘要:
A method of treating demyelinization clinical patterns of autoimmune origin, particularly multiple sclerosis. The pharmaceutical composition makes use of ethyl (+)-apovincaminate as the active ingredient.
摘要:
The invention relates to new 1-[bis(hydroxymethyl)-methyl]-3,4-dihydro- or -1,2,3,4-tetrahydroisoquinoline derivatives of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 represent hydroxyl or alkoxy having from 1 to 6 carbon atoms,R.sup.3 is hydrogen or a single electron pair,and the dotted line represents an optional double bond,and salts thereof.The new compounds are useful intermediates in the preparation of other, pharmaceutically active isoquinoline derivatives or are pharmaceutically active themselves.
摘要:
The invention relates to new 2H-azeto[2,1-a]isoquinoline derivatives of formula (I) ##STR1## wherein R.sup.1 and R.sup.2 represent hydroxyl or alkoxy having from 1 to 6 carbon atoms,R.sup.3 is hydroxyl, halogen or an ##STR2## group, whereinX is oxygen or sulfur,R.sup.4 is optionally substituted phenyl,and acid addition, metal and quaternary salts thereof.According to the invention the new compounds are prepared by cyclization of the corresponding compounds of formula (II), ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined above, and Hal is halogen.Compounds of formula (I) are pharmaceutically active, in particular are potent analgesic and antipyretic agents.
摘要:
The invention relates to antiinflammatory compounds of the formula (I), ##STR1## wherein A stands for hydrogen, hydroxyl or trifluoroacetoxy group;X stands for hydrogen or halogen with the proviso that if A is hydrogen, then X also means hydrogen;R stands for hydrogen, benzoyl or C.sub.1-8 alkanoyl group; and represents a single or double bond between two adjacent carbon atoms,as well as pharmaceutical compositions containing these compounds and a process for their preparation.
摘要:
Novel acrylic acid salts of formula ##STR1## wherein R represents a hydrogen or a halogen atom, a C.sub.1-4 alkyl, a C.sub.1-4 alkoxy or a nitro group,M represents a cation derived from bismuth, zinc or a pharmaceutically acceptable organic base,X represents an inorganic anion,n is an integer of from 0 to 2,m is an integer of from 1 to 3,p is 0 or 1, andr is an integer of from 0 to 6having cytoprotective and antiulcer activities are provided. A process is also described for the preparation of said compounds.
摘要:
The invention relates to new 1,2,3,4,6,7,12,12b-octahydroindolo[2,3,-a]quinolizin-1-yl-alkanecarboxylic acid amides of the formula (I), ##STR1## wherein R.sub.1 and R.sub.2 stand independently for a hydrogen or halogen atom, or a hydroxyl, nitro or C.sub.1-4 alkoxy group;R.sub.3 and R.sub.4 stand independently for a hydrogen atom or a C.sub.1-4 alkyl group;R.sub.5 and R.sub.6 stand independently for a hydrogen atom, C.sub.1-8 alkyl group, C.sub.3-8 alkenyl or cycloalkyl group, aryl or aralkyl group, heteroaryl or heteroaralkyl group containing oxygen, nitrogen or sulphur atom, all these groups being optionally substituted; orR.sub.5 and R.sub.6 together form an optionally substituted C.sub.2-8 .alpha.,.omega.-alkylene group, wherein one carbon atom may optionally be replaced by an oxygen or nitrogen atom; andG means a C.sub.1-4 straight chained alkylene group, as well as to their therapeutically suitable acid addition salts and pharmaceutical compositions containing these compounds. The compounds of the formula (I) have valuable therapeutic properties, namely vasodilatory, spasmolytic, antiarrhythmic and gastrocytoprotective effects. The gastrocytoprotective effect is particularly important.
摘要:
The invention relates to new 1-[6-(2'-substituted-5', 6', 7', 8'-tetrahydro-4'-oxo-quinazolino)]-3,4-dihydro-6,7-disubstituted-isoquinoline derivatives of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each independently represents hdyroxyl or alkoxy having from 1 to 6 carbon atoms,R.sup.3 is alky having from 1 to 6 carbon atoms, optionally substituted phenyl, optionally substituted alkylphenyl having from 1 to 4 carbon atoms in the alkyl moiety or an optionally substiutted heterocyclic group,and acid addition and quaternary salts thereof.Compounds of the formula (I) are pharmaceutically active, in particular show spasmolytic, analgesic, antipyretic activity and have a protecting effect in acute alcoholic intoxication.
摘要:
The invention relates to new N-substituted bis(hydroxymethyl)-methyl-isoquinoline derivatives of the formula (I), ##STR1## wherein R.sup.1 and R.sup.2 represent hydroxyl or alkoxy having from 1 to 6 carbon atoms,the dotted line is an optional double bond in the 1,2-position,R.sup.3 is alkyl having from 1 to 6 carbon atoms or aralkyl containing from 1 to 4 carbon atoms in the alkyl moiety, or--if there is a single bond in the 1,2-position--represents a group of the formula ##STR2## in which X is oxygen ifR.sup.4 is alkyl having from 1 to 5 carbon atoms, alkoxy having from 1 to 4 carbon atoms, hydroxyl, phenyl or substituted phenyl; orX is oxygen or sulfur ifR.sup.4 is an --NH.sub.2, --NH--C.sub.1-4 -alkyl, --NH--C.sub.3-6 -cycloalkyl, --NH-phenyl or --NH--C.sub.1-4 -alkyl-phenyl group; andR.sup.5 and R.sup.6 independently stand for hydrogen, alkyl having from 1 to 4 carbon atoms or phenyl, with the proviso that at least one of them is other than phenyl,and salts thereof. Processes for the preparation of these compounds and pharmaceutical compositions are also within the scope of the invention.