摘要:
The present invention relates to new, pharmacologically valuable 2,4,5,6-tetrahydro-1H-pyrazino-[3,2,1-jk]-carbazoles substituted in the 8-position having the formula I ##STR1## wherein R stands for an alkyl or alkoxy group having 1 to 4 carbon atoms or a fluorine, chlorine or bromine atom comprising reacting a 6,9-disubstituted 1,2,3,4-tetrahydrocarbazol-1-one of the formula II ##STR2## and X denotes a bromine, chlorine or iodine atom or the radical of the formula defined --O--SO.sub.2 --R' and R' is an alkyl radical having 1 to 3 carbon atoms, phenyl or tolyl, with ammonia.
摘要:
The present invention relates to new pharmacologically valuable, basically substituted heterocyclic compounds of the formula ##EQU1## wherein X represents--N=N----ch=n-- ##EQU2## R represents an aliphatic, cycloaliphatic, araliphatic or aromatic amine radical having 2 to 10 carbon atoms or the radical of a 5, 6 or 7 ring-membered heterocyclic amine optionally containing an additional N, O or S hetero atom, the radical being attached through the nitrogen atom,R.sub.1 and R.sub.2 represent alkoxy groups containing 1 - 4 C-atoms, R.sub.3 represents lower alkyl having 1 - 3 C-atoms and m and n are 1, 2 or 3.The above derivatives are produced by acylating heterocyclic derivatives having the formula ##STR1## with an alkoxycinnamic acid of the general formula ##STR2## OR A FUNCTIONAL DERIVATIVE OF THE LATTER, OPTIONALLY IN THE PRESENCE OF AN ACID-BINDING AGENT, THE RADICALS R, R.sub.1, R.sub.2, n and m having the meanings set out above.
摘要:
In a process for the preparation of optionally-substituted 1,2,3,4-tetrahydro-9-cyanomethylcarbazol-1-ones of the formula ##STR1## wherein R denotes hydrogen, halogen, alkyl or alkoxy, by cyano-methylating optionally substituted 1,2,3,4-tetrahydrocarbazol-1-ones of the formula ##STR2## wherein R has the meanings mentioned above, the starting material of formula II is reacted, in a two-phase system consisting of water and a water-immiscible organic solvent, in the presence of a strong base and a known phase transfer catalyst, with a cyanomethylating agent of the formulaR.sup.1 --CH.sub.2 --CN (III),wherein R.sup.1 denotes halogen or a radical of the formula R.sup.2 --SO.sub.2 --O-- and R.sup.2 represents alkyl, phenyl or substituted phenyl.
摘要:
The present invention relates to new, pharmacologically-valuable antidepressants, which are 2,4,5,6-tetrahydro-1H-pyrazino-[3,2,1-jk]-carbazoles substituted in the 8-position and having the formula I ##STR1## wherein R stands for an alkyl or alkoxy group having 1 to 4 carbon atoms or a fluorine, chlorine or bromine atom, and a method for making them by reacting with ammonia a 6,9-disubstituted 1,2,3,4-tetrahydrocarbazol-1-one of the formula II ##STR2## wherein X denotes a bromine, chlorine or iodine atom or a radical of the formula --O--SO.sub.2 --R', and R' is an alkyl radical having 1 to 3 carbon atoms, phenyl or tolyl.
摘要:
Aryl-substituted piperazinones and their physiologically-acceptable acid-addition salts have a useful nootropic action. They are administered enterally or parenterally in conventional dosage forms.
摘要:
Substituted 3-aminosydnonimines of the formula I ##STR1## and pharmacologically acceptable acid addition salts thereof, in which R.sup.1 denotes hydrogen or the radical --COR.sup.4,R.sup.2 denotes alkyl or phenyl alkyl having 1 to 4 C atoms in the alkyl group,R.sup.4 denotes, for example, an aryl radical, and processes and formulations for controlling or preventing cardiovascular diseases by administering an effective amount of such compounds to a host in need thereof.
摘要:
This invention relates to certain 4-acyl-piperazine-1-acetamides. These compounds are useful as memory and learning enhancers and for the treatment and prevention of cerebral insufficiency.
摘要:
Physiologically-acceptable 3-aminosydnonimines of the formula ##STR1## and their pharmacologically-acceptable acid-addition salts, when formulated into medicament dosage forms, are useful for reducing systemic blood pressure, pulmonary artery pressure and left ventricular end diastolic pressure when orally administered to patients in need of such pressure reduction. These compounds are prepared by cyclizing a compound which, in its free-base state, is of the formula ##STR2## to a corresponding product which, in its free-base state, is of the formula ##STR3## and, when R.sup.2 is other than --H, acylating that product.
摘要:
The present invention relates to thienylacetic acid derivatives of the general formula I ##STR1## in which X denotes --O-- or --NH--;R.sup.1 denotes hydrogen, the group --CH.sub.2 --CO--R.sup.3 or the group --CO--CH.sub.2 --NH.sub.2 ;R.sup.2 denotes hydrogen, (C.sub.1 -C.sub.4)-alkyl or the radical R.sup.1 andR.sup.3 denotes (C.sub.1 -C.sub.4)-alkoxy, hydroxyl or amino, it not being possible for both R.sup.1 and R.sup.2 to represent hydrogen when X denotes O,as well as the pharmaceutically tolerated salts thereof, process for the preparation thereof, the use thereof, and pharmaceuticals containing these and the preparation thereof.
摘要:
Substituted 4,5-dihydro-3(2H)-pyridazinones of the formula I ##STR1## wherein R, for example, denotes a radical of the formula ##STR2## R.sup.1 and R.sup.2, for example, denote hydrogen or methyl, R.sup.3, for example, denotes 2-methoxy-ethoxy, 3-pyridyl-methoxy, amino-carbonyl-methoxy, hydroxy-carbonyl-methoxy, methyl-thio, (2-methoxy-ethyl)-amino-carbonyl-methoxy, 3-pyridyl-methyl or 5-methyl-1,3,4-oxadiazol-2-yl and R.sup.4, for example, denotes hydrogen, have useful pharmacological properties and can therefore be used for the preparation of pharmacological products.