摘要:
Dioxazocine derivatives, their preparation and composition containing them, said derivatives being represented by the formula I ##STR1## wherein R.sub.1 represents hydrogen or alkyl having from 1 to 4 carbon atoms,R.sub.2 represents alkyl having from 1 to 4 carbon atoms, andn is equal to 0 or 1,and pharmaceutically acceptable acid addition salts thereof formed with an inorganic or organic acid.Two different reactions are described for making these compounds. They can be formulated into pharmaceutical compositions in the usual manner and exhibit central nervous system affecting activities.
摘要:
The new compounds of the general Formula I ##STR1## (wherein A stands for a C.sub.2-4 straight or branched chain alkylene group;R.sup.1 and R.sup.2 may be same or different and each stands for hydrogen, halogen, lower alkyl or lower alkoxy; orR.sup.1 and R.sup.2 together form a methylenedioxy group;R.sup.3 and R.sup.4 may be the same or different and each stands for C.sub.1.ident. alkyl or C.sub.3.notident. cycloalkyl orR.sup.3 and R.sup.4 together with the nitrogen atom, they are attached to, form a 4-7 membered ring which may contain as additional ring member an oxygen or sulfur atom or a further nitrogen atom and the latter nitrogen atom may optionally bear a C.sub.1-3 alkyl or benzyl substituent)and pharmaceutically acceptable acid addition salts and quaternary ammonium salts thereof possess valuable therapeutical properties and exert particularly useful transquillant-sedative, antidepressant, antiepileptic, antiparkinson, analgesic, local anaesthetic, gastric acid secretion inhibiting and/or antianginal effect.The new compounds of the general Formula I may be prepared by methods known per se.
摘要:
The invention relates to new 1-[2-(substituted vinyl)]-3,4-dihydro-5H-2,3-benzodiazepine derivatives, a process for the preparation thereof and pharmaceutical compositions comprising them. The new 1-[2-(substituted vinyl)]-3,4-dihidro-5H-2,3-benzodiazepine derivatives according to the invention correspond to the general formula (I), ##STR1## wherein the variables are hereinbelow defined: The new compounds according to the invention affect the central nervous system and can be used to advantage in the therapy.
摘要:
The invention relates to new 2-(substituted imino)-thiazolidines, a process for the preparation thereof, pharmaceutical compositions comprising the same, the use of the said 2-(substituted imino)thiazolidines for the treatment of diseases and for the preparation of pharmaceutical compositions suitable for the treatment of diseases.The new 2-(substituted imino)-thiazolidine derivatives provided by the present invention correspond to the general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 each represent halogen, nitro, C.sub.1-4 alkoxy or C.sub.1-4 alkyl, which latter may optionally carry one or more halogen substituent(s),R.sup.3 and R.sup.4 each represent hydrogen or C.sub.1-4 alkyl,Z denotes oxygen, sulfur or imino, which latter is substituted by a C.sub.1-6 alkyl or a C.sub.1-6 alkenyl group,R.sup.5 stands for hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkylthio or a group or the formula --NH--R, wherein R represents C.sub.1-6 alkyl, aryl, aralkyl or C.sub.1-6 alkenyl optionally carrying a halogen or a di-(C.sub.1-4 alkyl)-amino substituent; orZ and R.sup.5 together stand for a trivalent nitrogen atom, with the proviso that if Z denotes a substituted imino group, R.sup.5 stands for C.sub.1-4 alkylthio, and if R.sup.5 is C.sub.1-4 alkylthio, Z represents a substituted imino, and with the further proviso that if Z denotes sulfur, R.sup.5 is other than hydrogen or C.sub.1-4 alkyl,and possess valuable antianginal and analgesic properties.
摘要:
The invention relates to novel racemic or optically active aminopropanol derivatives of formula I ##STR1## wherein R and R.sup.1 are independently hydrogen atom, halogen atom, lower alkoxy, or together represent a methylene dioxy group,R.sup.2 and R.sup.3 together represent a chemical bond or independently stand for a hydrogen atom,R.sup.4 and R.sup.5 are independently hydrogen atom, C.sub.3-7 cycloalkyl group or straight or branched, saturated or unsaturated C.sub.1-12 alkyl group optionally substituted by one or more dialkylaminoalkyl, dimethoxyphenyl or phenyl groups, orR.sup.4 and R.sup.5 together with the adjacent nitrogen atom form a 4 to 7 membered ring optionally comprising an oxygen, sulfur or a further nitrogen atom, which ring is optionally substituted by a phenyl, benzyl or C.sub.1-3 alkyl group and the said substituents may carry a hydroxyl group, one or two methoxy groups, halogen atoms or trifluoromethyl groups, orR.sup.4 and R.sup.5 together with the adjacent nitrogen atom form a piperidine ring which is optionally substituted by a phenyl or benzyl group and, if desired, it comprises a double bond,R.sup.6 stands for hydrogen atom or benzoyl group, andn represents an integer from 3 to 6, acid-addition salts and quaternary ammonium derivatives thereof.Further the invention relates to processes for preparing these compounds.The compounds of the invention exert cardiac circulation controlling and/or improving, central nervous system tranquillizing and/or digestive system irregulations improving effects.
摘要:
The disclosed compounds have the formula ##STR1## wherein Q is a 6-membered saturated heterocyclic group or a group S(O)pR.sup.3, whereinp is 0, 1, or 2, andR.sup.3 is alkyl, alkenyl, or phenyl-, which may have halogen or nitro substituents, or phenyl optionally substituted;or NR.sup.4 R.sup.5 whereinR.sup.4 and R.sup.5 are hydrogen, alkyl, alkenyl, phenyl-alkyl, or di-alkyl-amino-alkyl;R.sup.1 and R.sup.2 are hydrogen or alkyl, ortogether form a group (CH.sub.2)n--Y--(CH.sub.2)m, wherein Y is CH.sub.2, or NR.sup.6, wherein R.sup.6 is phenyl-alkyl,n and m are 0 or 1 to 5;Z is NR.sup.7 R.sup.8, whereinR.sup.7 and R.sup.8 each are hydrogen, alkenyl, cycloalkyl, adamantayl, or phenyl-alkyl, which may have one or more substituents ortogether form a group of (CH.sub.2)j--W--(CH.sub.2)k, wherein j and k each are 1 to 3, and W is oxygen, CH.sub.2, CHOH, or NR.sup.10 , wherein R.sup.10 is hydrogen, alkoxycarbonyl, or alkyl, which latter may be substituted.or SR.sup.9, whereinR.sup.9 is alkyl substituted by alkoxy-carbonyl and possess inotropic and antianginal effects, complemented by antiinflammatory, ulcus, and gastric acid secretion inhibiting, and by weaker tranquillant, spasmolytic, and analgesic properties.
摘要:
This invention relates to a new and improved process for the preparation of 6,7-dichloro-1,5-dihydroimidazo[2,1-b]-quinazolin-2[3H]-one of formula ##STR1## (anagrelide), a valuable blood platelet antiaggregative compound. According to the process of the invention the compound of formula (I) is prepared by subjecting a new 2-cyanoiminoquinazoline derivative of the general formula ##STR2## wherein R stands for cyano or a group of the formula COOR.sup.1, in the latter R.sup.1 representing lower alkyl optionally carrying a phenyl substituent, to thermal cyclization in an acidic medium.The invention also relates to new 2-cyanoiminoquinazo-lines of the general formula (III) used for the production of anagrelide and to the preparation of the said compounds.The invention provides an advantageous process for the preparation of anagrelide which is devoid of the drawbacks of the hitherto known processes and renders possible the production of the compound of the formula (I) on industrial scale, too.
摘要:
The invention relates to novel racemic or optically active aminopropanol derivatives of formula I ##STR1## wherein R and R.sup.1 are independently hydrogen atom, halogen atom, lower alkoxy, or together represent a methylene dioxy group,R.sup.2 and R.sup.3 together represent a chemical bond or independently stand for a hydrogen atom,R.sup.4 and R.sup.5 are independently hydrogen atom, C.sub.3-7 cycloalkyl group or straight or branched, saturated or unsaturated C.sub.1-12 alkyl group optionally substituted by one or more dialkyl-aminoalkyl, dimethoxyphenyl or phenyl groups, orR.sup.4 and R.sup.5 together with the adjacent nitrogen atom form a 4 to 7 membered ring optionally comprising an oxygen, sulfur or a further nitrogen atom, which ring is optionally substituted by a phenyl, benzyl or C.sub.1-3 alkyl group and the said substituents may carry a hydroxyl group, one or two methoxy groups, halogen atoms or trifluoromethyl groups, orR.sup.4 and R.sup.5 together with the adjacent nitrogen atom form a piperidine ring which is optionally substituted by a phenyl or benzyl group and, if desired, it comprises a double bond,R.sup.6 stands for hydrogen atom or benzoyl group, andn represents an integer from 3 to 6,acid-addition salts and quaternary ammonium derivatives thereof.Further the invention relates to processes for preparing these compounds.The compounds of the invention exert cardiac circulation controlling and/or improving, central nervous system tranquillizing and/or digestive system irregulations improving effects.
摘要:
The new compounds of the general Formula I ##STR1## (wherein R.sub.1 stands for C.sub.1-4 alkyl or aralkyl; andR.sub.2 represents hydroxy; orR.sub.1 and R.sub.2 together form a valency bond;R.sub.3 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, phenyl, amino, alkylthio or a group of the Formula --NR.sub.7 R.sub.8 in which R.sub.7 and R.sub.8 may be the same or different and stand for hydrogen, C.sub.1-4 alkyl, phenyl-C.sub.1-4 alkyl, hydroxy-C.sub.1-4 alkyl or di-(C.sub.1-4 alkyl)-amino-C.sub.1-4 alkyl or together with the nitrogen atom they are attached to form a 6-membered heterocyclic ring which may optionally contain a further nitrogen, oxygen or sulfur atom; orR.sub.2 and R.sub.3 together form an oxo (.dbd.O) or thixo (.dbd.S) group;R.sub.4 represents hydrogen, C.sub.1-4 alkyl or phenyl which may optionally bear one or two halogen or nitro substituent(s);Z is a group of the Formula (a) or (b) ##STR2## A.sup.- represents an anion) and isomers thereof possess useful local anaesthetic, antidepressant, tranquillo-sedative and smooth muscle relaxant properties accompanied by a weaker analgesic effect and are useful in therapy.
摘要:
The invention relates to optically active 2-chloro-12-(3-dimethylamino-2-methylpropyl)-12H-dibenzo[d,g][1,3,6]dioxazocine of the Formula ##STR1## and pharmaceutically acceptable acid additional salts thereof. The enantiomers are especially active against Parkinsion's disease.The optically active enantiomers are prepared by(a) resolving the racemic 2-chloro-12-(3-dimethylamino-2-methylpropyl)-12H-dibenzo[d,g][1,3,6]-dioxazocine with a optically active organic acid and separating the enantiomers; or(b) dissolving the racemic 2-chloro-12-(3-dimethylamino-2-methylpropyl)-12H-dibenzo[d,g][1,3,6]-dioxazocine in an organic solvent, crystallizing and isolating one of the enantiomers, optionally dissolving additional racemic 2-chloro-12-(3-dimethylamino-2-methylpropyl)-12H-dibenzo[d,g][1,3,6]-dioxazocine in the mother liquor obtained and crystallizing and isolating the other enantiomer, and, if desired, repeating the whole process.