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    • 4. 发明授权
    • 1-Aryloxy-2-hydroxy-3-aminopropanes
    • 1-芳氧基-2-羟基-3-氨基丙烷
    • US4191765A
    • 1980-03-04
    • US932504
    • 1978-08-10
    • Werner FritschUlrich StacheErnst Lindner
    • Werner FritschUlrich StacheErnst Lindner
    • C07D211/14C07D295/092C07D295/112A61K31/215A61K31/275C07C69/76C07C121/80
    • C07D295/088C07D211/14C07D295/112
    • Compounds of formula I ##STR1## wherein R.sup.1 and R.sup.1' are identical or different and represent hydrogen, an alkyl radical or alkoxy radical having 1-4 carbon atoms, the allyl group, a halogen atom or the nitro group, R.sup.2 represents an acrylic acid radical or an acrylic acid nitrile radical of the formulae ##STR2## wherein R.sup.5 represents hydrogen, an alkyl radical having 1-5 carbon atoms, an aryl radical or aryl-lower alkyl radical either unsubstituted or substituted by lower alkyl or alkoxy, R.sup.6 represents hydrogen or an alkyl radical having 1-8 carbon atoms, R.sup.7 represents hydrogen, a lower alkyl radical or an aryl-lower alkyl radical, R.sup.3 and R.sup.4 represent together with the nitrogen atom a heterocyclic ring with 5-7 members being optionally substituted by C.sub.1 -C.sub.4 alkyl, in which ring one carbon atom may be replaced by one oxygen atom, sulfur atom or one further nitrogen atom, the latter may be substituted, or wherein R.sup.3 represents hydrogen and R.sup.4 represents a phenyl-alkylene or phenyl-alkylidene radical of the formula ##STR3## in which Alk is alkyl having 1 to 3 carbon atoms, and n is a figure from 1-3, and R.sup.8 and R.sup.9 are identical or different and represent hydrogen, an alkoxy radical having 1-3 carbon atoms or the benzoyl radical or R.sup.8 and R.sup.9 represent together the bismethylene dioxy radical, as well as the physiologically compatible acid addition salts and a process for preparing these compounds.
    • 式I的化合物其中R 1和R 1'相同或不同并且表示氢,具有1-4个碳原子的烷基或烷氧基,烯丙基,卤原子或硝基,R 2表示丙烯酸 酸基或丙烯酸腈基,其中R 5表示氢,具有1-5个碳原子的烷基,未取代或被低级烷基或烷氧基取代的芳基或芳基 - 低级烷基,R 6表示 氢或具有1-8个碳原子的烷基,R7表示氢,低级烷基或芳基 - 低级烷基,R3和R4与氮原子一起表示与5-7个成员任选被C1取代的杂环 -C 1-4烷基,其中一个碳原子可以被一个氧原子,硫原子或一个另外的氮原子代替,后者可以被取代,或其中R3代表氢,R4代表苯基亚烷基或苯基亚烷基 其中Alk是具有1至3个碳原子的烷基,n是1-3的数字,R8和R9相同或不同并表示氢,具有1-3个碳原子的烷氧基的式“IMAGE”的基团 原子或苯甲酰基或R8和R9一起表示双亚乙基二氧自由基,以及生理上相容的酸加成盐和制备这些化合物的方法。
    • 9. 发明授权
    • Diastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxylate
    • 1-(异丙氧基羰基氧基)乙基3-头孢烯-4-羧酸酯的非对映异构体
    • US5550232A
    • 1996-08-27
    • US447229
    • 1995-05-22
    • Gerd FischerElisabeth DefossaUwe GerlachRolf H orleinNorbert KrassRudolf LattrellUlrich StacheTheodor WollmannDieter Isert
    • Gerd FischerElisabeth DefossaUwe GerlachRolf H orleinNorbert KrassRudolf LattrellUlrich StacheTheodor WollmannDieter Isert
    • A61K31/545A61K31/546A61P31/04C07D501/00C07D501/06C07D501/34C07D501/56C07D501/14
    • C07D501/00
    • Enterally absorbable diastereomers of 1-(isopropoxycarbonyloxy)ethyl (6R,7R)-7-[2-(2-aminothiazol-4-yl)-2-(Z)-(methoxyimino)acetamido]-3-(methoxymethyl)-3-cephem-4-carboxylate of the formula I ##STR1## and their physiologically acceptable salts and also diastereomerically pure salts of the compounds of the formula II ##STR2## where HX is a mono- or polybasic acid and where X is an inorganic or organic physiologically acceptable anion, and a process for the preparation of these compounds of the formula I or II, which comprises first precipitating the more sparingly soluble diastereomer of the formula IV in the mixing together of 1 equivalent of a solution of the diastereomer mixture of the formula III with 0.2-2 equivalents of a solution of the acid component HY and separating it off by filtration, then precipitating the more readily soluble diastereomer of the formula IV from the filtration solution, it being possible for the acid component HY to be identical or different in the consecutive partial steps and any desired sequence of addition of different acid components HY being possible, and optionally further purifying the obtained salts by crystallization, are described.
    • 1-(异丙氧羰基氧基)乙基(6R,7R)-7- [2-(2-氨基噻唑-4-基)-2-(Z) - (甲氧基亚氨基)乙酰氨基] -3-(甲氧基甲基)-3 式I的化合物 - 头孢烯-4-羧酸酯及其生理学上可接受的盐以及式II化合物的非对映体纯盐,其中HX是单或多元酸,其中X是无机或有机的 生理学上可接受的阴离子,以及制备这些式I或II化合物的方法,其包括首先将式IV的较微溶的非对映体沉淀在1当量的式(I)的非对映体混合物的溶液中, III与0.2-2当量的酸组分HY的溶液并通过过滤分离,然后从过滤溶液中沉淀出更容易溶解的式IV的非对映异构体,酸组分HY可能相同或不同 在一起 描述了部分步骤和任何期望的不同酸组分HY的加入顺序是可能的,并且任选地通过结晶进一步纯化得到的盐。