摘要:
A process for preparing (1R,2S,4R)-(−)-2-[(2′-[N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo [2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof with higher yields and higher grades of purity.
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 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 N-substituted amino propane sulfonic acid derivatives of the Formula I ##STR1## and salts and hydrates thereof, a process for the preparation thereof and plant growth regulating agents comprising the same whereinR.sup.1 and R.sup.2 may be identical or different and stand for hydrogen, halogen, lower alkyl or lower alkoxy andR stands for furyl; or lower alkyl or phenyl the two latter groups being optionally substituted by one or more halogeno atom(s).
摘要:
The invention relates to new bicyclo(2.2.1)heptane derivatives of the general formula I ##STR1## wherein R represents a C.sub.1-12 alkyl group optionally substituted by a lower alkoxy group, a C.sub.2-4 alkenyl group or a phenyl-(lower alkyl) group optionally substituted on (I), phenyl ring by one or more lower alkoxy groups or halogen atoms.The invention relates further to plant growth regulating compositions comprising as active agent 0.001 to 95% by weight of a racemic and/or optically active compound of the general formula I, wherein R has the above defined meanings, along with a conventional organic or inorganic, solid and/or liquid carrier and/or filler and/or diluent and/or surfactant.The invention encompasses also the preparation of the compounds of the general formula (I) which comprises reacting a racemic or optically active compound of the general formula (II) ##STR2## wherein Y is an oxygen or sulfur atom or an oxim group, with a compound of the general formula (III)R--XwhereinR is as defined above, andX represents a leaving group, preferably a halogen atom, a sulfonyloxy or an aminooxy group, with the proviso that when using a compound of the general formula (II), in which Y is an oxim group, X is other than aminooxy group,in the presence of a basic condensing agent, and optionally resolving the racemic compound of the general formula (I) obtained into its optically active antipodes.
摘要:
The present invention is concerned with new indol-2-one derivatives of Formula (I), which have favorable activity profile for the prophylaxis and treatment of disorders in the central nervous or in the cadiovascular system.
摘要:
The invention relates to a process for the preparation of compounds of general formula (III), wherein R represents fluorine or chlorine atom and X represents chlorine or bromine atom, by halogenation of cyclopropyl benzyl ketone of general formula (II), wherein R represents fluorine or chlorine atom and the halogenation is carried out in the mixture of aqueous hydrogen halide and aqueous hydrogen peroxide in the presence of a water miscible solvent or in the presence of a phase transfer catalyst; or the halogenation is carried out in the mixture of sulfuric acid and an alkali metal salt of aqueous hydrogen halide. The process can be applied preferably on industrial scale.
摘要:
The invention relates to 1-{2(S)-[1(S)-(ethoxycarbonyl)butylamino]propionyl}-(3aS,7aS)octahydroindol-2(S)-carboxylic acid of the Formula I and the t-butylamine salt of the Formula I′ thereof free of contaminations derivable from dicyclohexyl carbodiimide, and a process for the preparation thereof. The invention also relates to new intermediates of the general Formula III (wherein R stands for lower alkyl or aryl lower alkyl). The compound of the Formula I—perindopril—is a known ACE inhibitor.
摘要:
The invention relates to new bicyclo(2.2.1)heptane derivatives of the general formula I ##STR1## wherein R represents a C.sub.1-12 alkyl group optionally substituted by a lower alkoxy group, a C.sub.2-4 alkenyl group or a phenyl-(lower alkyl) group optionally substituted on the phenyl ring by one or more lower alkoxy groups or halogen atoms.The invention relates further to plant growth regulating compositions comprising as active agent 0.001 to 95% by weight of a racemic and/or optically active compound of the general formula I, wherein R has the above defined meanings, along with a conventional organic or inorganic, solid and/or liquid carrier and/or filler and/or diluent and/or surfactant.The invention encompasses also the preparation of the compounds of the general formula I which comprises reacting a racemic or optically active compound of the general formula II ##STR2## wherein Y is an oxygen or sulfur atom or an oxim group, with a compund of the general formula IIIR - XwhereinR is as defined above, andX represents a leaving group, preferably a halogen atom, a sulfonyloxy or an aminooxy group, with the proviso that when using a compound of the general formula II, in which Y is an oxim group, X is other than aminooxy group,in the presence of a basic condensing agent, and optionally resolving the racemic compound of the general formula I obtained into its optically active antipodes.
摘要:
The invention relates to novel oxime ethers of the formula I ##STR1## wherein R stands for a phenyl group which may be substituted by a halogen atom or by one or more C.sub.1 -C.sub.4 alkoxy, hydroxyl, nitro or di(C.sub.1 -C.sub.3 alkyl)amino groups,R.sup.1 and R.sup.2 denote each a hydrogen atom or together a valence bond,A denotes a C.sub.2 -C.sub.4 straight or branched-chain alkylene group,N denotes an integer from 3 to 10, andR.sup.3 and R.sup.4 denote a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, furthermore to acid addition salts and quaternary ammonium salts thereof. These new compounds are biologically active, and possess primarily local analgesic, spasmolytic, nicotine-lethality inhibiting, tetrabenazine-antagonistic and tetra-cor-spasm inhibiting effects.
摘要翻译:本发明涉及式I(I)的新型肟醚,其中R代表可被卤素原子取代的苯基或一个或多个C 1 -C 4烷氧基,羟基,硝基或二(C1- C 3烷基)氨基,R 1和R 2各自表示氢原子或价键一起,A表示C 2 -C 4直链或支链亚烷基,N DENOTES AN INTEGER为3〜10,R 3和R 4表示氢 原子或C1-C4烷基,此外还涉及其酸加成盐和季铵盐。 这些新化合物具有生物活性,主要具有局部镇痛,解痉,尼古丁致死抑制,四苯并嗪拮抗和四痉挛抑制作用。