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    • 3. 发明授权
    • 6-Hydrazono-pyrido[2,1-b] quinazoline-11 ones
    • 6-肼基 - 吡啶并[2,1-b]喹唑啉-11
    • US4395549A
    • 1983-07-26
    • US308038
    • 1981-10-02
    • Istvan HermeczJozsef KokosiAgnes HorvathZoltan MeszarosGyorgy SzaszTibor BreiningLelle Vasvari nee Debreczy
    • Istvan HermeczJozsef KokosiAgnes HorvathZoltan MeszarosGyorgy SzaszTibor BreiningLelle Vasvari nee Debreczy
    • C07D487/04C07D487/14
    • C07D487/04
    • Intermediates useful in the preparation of Rutecarpine and Rutecarpine derivatives are disclosed as well as a process for the preparation of said intermediates having the following formula: ##STR1## wherein R, R.sup.1 and R.sup.2 are the same or different and stand for hydrogen, halogen, nitro, carboxy, nitrile, alkoxy containing 1 to 4 carbon atoms, alkoxycarbonyl containing 1 to 4 carbon atoms in the alkoxy group, alkyl containing 1 to 4 carbon atoms, amino or hydroxy or R and R.sup.1 together stand for methylenedioxy, R.sup.2 stands for hydrogen, R.sup.3 represents hydrogen or alkyl containing 1 to 4 carbon atoms, R.sup.4 stands for phenyl, phenyl substituted by 1 to 3 same or different substituents selected from the group of halogen(s), alkyl, and alkoxy containing 1 to 4 carbon atoms, phenyloxy, hydroxy, nitro, amino, cyano, carboxy, alkoxycarbonyl having 1 to 4 carbon atoms, alkanoyl having 1 to 4 carbon atoms, methylenedioxy, trifluoromethyl, phenyl and dialkylamino having 1 to 4 carbon atoms in the alkyl part or naphthyl and the dotted line indicated an optional double bond. Also pharmaceutically acceptable acid addition and quaternary ammonium salts are disclosed.
    • 公开了用于制备罗非鱼和芦丁类衍生物的中间体以及制备具有下式的所述中间体的方法:其中R,R 1和R 2相同或不同并代表氢, 卤素,硝基,羧基,腈,含有1至4个碳原子的烷氧基,烷氧基中含有1至4个碳原子的烷氧基羰基,含1至4个碳原子的烷基,氨基或羟基或R和R 1一起代表亚甲二氧基, 对于氢,R 3表示氢或含有1至4个碳原子的烷基,R 4代表苯基,被1至3个相同或不同的取代基取代的苯基,所述取代基选自含1至4个碳原子的卤素,烷基和烷氧基 ,苯氧基,羟基,硝基,氨基,氰基,羧基,具有1至4个碳原子的烷氧基羰基,具有1至4个碳原子的烷酰基,亚甲二氧基,三氟甲基,苯基和在烷基中具有1至4个碳原子的二烷基氨基 部分或萘基,虚线表示任选的双键。 还公开了药学上可接受的酸加成盐和季铵盐。
    • 9. 发明授权
    • Process for the preparation of
9-hydrazono-6,7,8,9-tetrahydro-4H-pyro[1,2-a]pyrimidine-4-one
compounds, the salts and hydrates thereof
    • 制备9-亚肼基-6,7,8,9-四氢-4H-焦[1,2-a]嘧啶-4-酮化合物的方法,其盐和水合物
    • US4456752A
    • 1984-06-26
    • US327689
    • 1981-12-04
    • Istvan HermeczTibor BreiningLelle Vasvari nee DebreczyAgnes HorvathJozsef Kokosi
    • Istvan HermeczTibor BreiningLelle Vasvari nee DebreczyAgnes HorvathJozsef Kokosi
    • A61K31/505A61P11/00A61P37/08C07D471/04
    • C07D471/04
    • A process for the preparation of nitrogen bridgehead condensed pyrimidine compounds of the general formula ##STR1## [wherein R represents hydrogen or lower alkyl;R.sup.1 represents hydrogen, lower alkyl, carboxy or a derivative thereof or styryl;R.sup.2 represents hydrogen or optionally substituted lower alkyl;R.sup.3 represents hydrogen, optionally substituted lower alkyl, aryl, aralkyl, halogen, carboxy or a derivative thereof, the group --(CH.sub.2).sub.m --COOH (in which m is the integer 1, 2 or 3) or a carboxy derivative thereof, formyl, lower alkanoyl or a condensed thereof;R.sup.4 represents hydrogen, optionally substituted alkyl, aryl optionally substituted by one or more substituents, optionally substituted aralkyl, a heterocyclic group optionally substituted by one or more substituents, the group (CH.sub.2).sub.m --Het (in which m is the integer 1, 2 or 3; Het is an optionally substituted heterocyclic group);R.sup.5 represents hydrogen, C.sub.1-6 alkyl, aryl optionally substituted by one or more substituents, formyl, lower alkanoyl, optionally substituted aroyl or heteroaryl; orR.sup.4 and R.sup.5 together with the nitrogen therebetween represent an optionally substituted mono- or bicyclic heterocyclic ring optionally containing further heteroatom]and pharmaceutically acceptable salts, hydrates, stereoisomers, optically active isomers, geometrical isomers and tautomers thereof.
    • 制备通式为“IMAGE”I的氮桥头浓缩嘧啶化合物的方法[其中R表示氢或低级烷基; R1代表氢,低级烷基,羧基或其衍生物或苯乙烯基; R 2表示氢或任选取代的低级烷基; R 3表示氢,任选取代的低级烷基,芳基,芳烷基,卤素,羧基或其衍生物,基团 - (CH 2)m -COOH(其中m是整数1,2或3)或其羧基衍生物, ,低级烷酰基或其缩合物; R 4表示氢,任选取代的烷基,任选被一个或多个取代基取代的芳基,任选取代的芳烷基,任选被一个或多个取代基取代的杂环基,基团(CH 2)m -Het(其中m是整数1,2 或3; Het是任选取代的杂环基); R 5表示氢,C 1-6烷基,任选被一个或多个取代基取代的芳基,甲酰基,低级烷酰基,任选取代的芳酰基或杂芳基; 或R4和R5以及它们之间的氮代表任选地被取代的单环或双环杂环,任选地含有另外的杂原子]及其药学上可接受的盐,水合物,立体异构体,光学活性异构体,几何异构体和互变异构体。