摘要:
Substituted 2-[2-(phenyl)ethylamino]alkaneamide derivatives, pharmaceutically acceptable salts thereof, and pharmaceutical compositions containing them are useful as sodium and/or calcium channel modulators for preventing, alleviating and curing pathologies wherein the above mechanisms play a pathological role. The compounds may be particularly used for the prevention, alleviation, and curing of, for example, neurological, cognitive, psychiatric, inflammatory, urogenital, and gastrointestinal diseases.
摘要:
This invention is related to novel aminoalkyl- and amidoalkyl-benzopyran derivatives of the following general formula (I) wherein: the group is a substituent in position 6 or 7 wherein: R is an aromatic mono- or bi-cyclic carbocyclic ring or a mono- or bi-cyclic heterocyclic ring radical, said rings being optionally substituted by one or two substituents selected from (C1-C5) straight or branched alkyl, (C1-C5) straight or branched alkoxy, hydroxy, halogen and trifluoromethyl; m is zero or an integer from 1 to 3; n, p, R1 and R2 are as herein indicated and R3 and R4 are both hydrogen or taken together represent an oxygen atom, and the pharmaceutically acceptable salts thereof. The compounds that are active as selective and reversible MAO-B inhibitors in vitro and in vivo, are useful as medicaments for the prevention and the treatment of CNS degenerative disorders.
摘要:
New seco-D steroid derivatives, processes for their preparation and pharmaceutical compositions are provided, which are active on the cardiovascular system. The seco-D steroid derivatives have the following general formula (I): ##STR1##
摘要:
The invention describes hydrazino and hydroxyamino-14.beta.-hydroxyandrostane derivatives having general formula (I): ##STR1## wherein the symbol means .alpha. or .beta. configuration and A, B, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 have the meanings given in the description and their use in the treatment of cardiovascular disorders such as heart failure and hypertension.
摘要:
Disclosed are 17-iminomethylalkenyl and 17-iminoalkyl-14.beta.-hydroxy-5.beta.-androstane derivatives of the formula (I): ##STR1## wherein the symbol means .alpha. or .beta. configuration or a Z or E configuration; A represents (CH.sub.2).sub.m or --(CH.dbd.CH).sub.n --; m represents an integer number from 1 to 6; n represents an integer number from 1 to 3; R.sup.2 represents hydrogen or hydroxy; R.sup.1 represents hydrogen, C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5, which may be the same or different, represent hydrogen, C.sub.1 -C.sub.4 alkyl or R.sup.4 and R.sup.5 may form, when taken together with the nitrogen atom, a five- or six- membered heterocyclic ring optionally containing one or more heteroatoms selected from oxygen and nitrogen; R.sup.3 represents NHC(.dbd.X)NR.sup.6 R.sup.7 or OR.sup.8 wherein R.sup.6 and R.sup.7, which may be the same or different, represent hydrogen, methyl, or C.sub.2 -C.sub.4 alkyl unsubstituted or substituted by NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 have the previously defined meanings; R.sup.8 represents hydrogen, methyl, C.sub.2 -C.sub.6 alkyl, unsubstituted or substituted by one or more NR.sup.4 R.sup.5 or NHC(.dbd.NH)NH.sub.2, wherein R.sup.4 and R.sup.5 have the previously defined meanings; X represents O, S, or NR.sup.9 ; R.sup.9 represents hydrogen, methyl, C.sub.2 -C.sub.4 alkyl, C.sub.2 -C.sub.4 acyl or phenyl, where the C.sub.2 -C.sub.4 alkyl and C.sub.2 -C.sub.4 acyl are unsubstituted or substituted by NR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 have the previously defined means; and R.sup.6, R.sup.7, and R.sup.9, taken two by two, may form, together with the heteroatoms to which they are linked, a five- , six- , or seven-membered heterocyclic ring; or mixtures of .alpha. and .beta. isomers at the 3-position; or mixtures of Z and E isomers of the group A--CH.dbd.NR.sup.3 ; or pharmaceutically acceptable salts thereof. The compounds are useful for the treatment of cardiovascular disorders, such as heart failure and hypertension. Also, disclosed is a process for preparing the derivatives by reaction of the corresponding 17-alkyl or 17-methylalkenyl aldehyde with a compound of the formula H.sub.2 NNHC(.dbd.X)NR.sup.6 R.sup.7 or H.sub.2 NOR.sup.8.
摘要:
17-aryl and heterocyclyl-5.beta.,14.beta.-androstane compounds having the formula (I) ##STR1## wherein R is an aryl ring or a saturated or unsaturated heterocyclic ring are active on the cardiovascular system and are useful in treating cardiovascular disorders.
摘要:
Digitoxigenin and dihydrodigitoxigenin 3.beta.-derivatives, a process for their preparation and pharmaceutical compositions containing same for the treatment of cardiovascular disorders such as heart failure and hypertension are disclosed.
摘要:
17-hydroxyiminomethyl-14.beta.-hydroxy-5.beta. androstane derivatives, active on the cardiovascular system, a process for their preparation and pharmaceutical compositions thereof having the general formula ##STR1##
摘要:
The present invention relates to a new process for the preparation of 3-substituted derivatives of 1-amino-2-hydroxy-propane in the form of single diastereoisomers, to certain of these diastereoisomers, and to compounds which are intermediates in the new process of the invention.
摘要:
Aryloxy- and heteroaryloxy-alkylene derivatives of amines of formula ##STR1## wherein each of A and B is a group of formula (i) to (iii): ##STR2## wherein Y is --O--, --S-- or --NR-- in which R is hydrogen or C.sub.1 -C.sub.6 alkyl; each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently:a) hydrogen, halogen, hydroxy, cyano or nitro;b) C.sub.1 -C.sub.6 alkyl unsubstituted or substituted by halogen,c) C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 alkylthio;d) C.sub.1 -C.sub.6 alkyl-sulfonyl;e) a substituted amine group --NR.sub.7 R.sub.8 ;f) a --COR.sub.12 group; org) two adjacent groups of R.sub.3, R.sub.4, R.sub.5 and R.sub.6, taken together, form a C.sub.1 -C.sub.4 alkylenedioxy group;each of R.sub.1 and R.sub.2 independently is hydrogen, C.sub.3 -C.sub.6 alkynyl, C.sub.3 -C.sub.6 alkenyl or C.sub.1 -C.sub.6 alkyl unsubstituted or substituted by phenyl; or R.sub.1 and R.sub.2 taken together with the nitrogen atom to which they are linked, form a substituted or unsubstituted, saturated heterocyclic ring; and the pharmaceutically acceptable salts thereof; are active on the central nervous nervous system, in particular as antidepressant, antiobesity antismoking and anti-alcoholabuse agents.