2-substituted cephem derivatives and process for preparing the same
    11.
    发明授权
    2-substituted cephem derivatives and process for preparing the same 失效
    2-取代的头孢烯衍生物及其制备方法

    公开(公告)号:US4604457A

    公开(公告)日:1986-08-05

    申请号:US614162

    申请日:1984-05-08

    CPC分类号: C07D501/22 Y02P20/55

    摘要: A 2-substituted cephem derivative represented by the formula ##STR1## wherein R.sup.1 represents a substituted or unsubstituted phenyl group, substituted or unsubstituted phenylmethyl group or substituted or unsubstituted phenoxymethyl group, R.sup.2 represents hydrogen atom or protective group for carboxylic acid and Y represents allyloxy group, benzyloxy group, alkylthio group, carboxyalkylthio group or group of the formula ##STR2## wherein R.sup.4 represents hydrogen atom or lower alkyl group, X represents --O--, --S-- or ##STR3## R.sup.5 represents hydrogen atom, a lower alkyl group or phenyl group and R.sup.6 represents hydrogen atom or lower alkyl group, and a process for preparing the derivatives.

    摘要翻译: PCT No.PCT / JP83 / 00299 Sec。 371日期:1984年5月8日 102(e)日期1984年5月8日PCT提交1983年9月6日PCT公布。 第WO84 / 00965号公报 日本3月15日,1984年。由式(II)表示的2-取代头孢烯衍生物,其中R1表示取代或未取代的苯基,取代或未取代的苯甲基或取代或未取代的苯氧基甲基,R2表示氢原子或 羧酸的保护基,Y表示烯丙氧基,苄氧基,烷硫基,羧基烷硫基或式的基团,其中R4表示氢原子或低级烷基,X表示-O - , - S-或< R5表示氢原子,低级烷基或苯基,R6表示氢原子或低级烷基,以及其衍生物的制备方法。

    Process for preparation on 3-substituted cephem compound
    12.
    发明授权
    Process for preparation on 3-substituted cephem compound 失效
    3-取代头孢烯化合物的制备方法

    公开(公告)号:US5656755A

    公开(公告)日:1997-08-12

    申请号:US464853

    申请日:1995-07-06

    CPC分类号: C07D501/00 Y02P20/55

    摘要: An object of the invention is to provide a process for preparing a 3-substituted cephem compound from an allenyl-.beta.-lactam compound which can be easily produced from an inexpensive penicillin compound by a simple reaction procedure.The process of the invention comprises reacting an allenyl-.beta.-lactam compound with an organohalogen compound in the presence of a metal having a standard oxidation-reduction potential of -0.3 (V/SCE) or less in an amount at least equimolar with the allenyl-.beta.-lactam compound and 0.0001 to 0.5 mole, per mole of the allenyl-.beta.-lactam compound, of a metal compound having a higher standard oxidation-reduction potential than said metal.

    摘要翻译: PCT No.PCT / JP94 / 01859 Sec。 371日期:1995年7月6日 102(e)日期1995年7月6日PCT 1994年11月4日PCT PCT。 第WO95 / 13281号公报 日期1995年5月18日本发明的目的是提供一种由丙烯烯基-β-内酰胺化合物制备3-取代的头孢烯化合物的方法,其可以通过简单的反应方法由便宜的青霉素化合物制备。 本发明的方法包括在具有-0.3(V / SCE)或更小的标准氧化还原电位的金属的存在下,将烯丙基-β-内酰胺化合物与有机卤素化合物反应,其量与至少等摩尔的烯丙基 -β-内酰胺化合物和0.0001至0.5摩尔/摩尔的烯丙基-β-内酰胺化合物,具有比所述金属更高的标准氧化还原电位的金属化合物。

    Process for preparation of azetidinone derivatives
    15.
    发明授权
    Process for preparation of azetidinone derivatives 失效
    氮杂环丁酮衍生物的制备方法

    公开(公告)号:US4798890A

    公开(公告)日:1989-01-17

    申请号:US186693

    申请日:1988-04-21

    CPC分类号: C07D205/095 C07D205/09

    摘要: A process for preparing an azetidinone derivative represented by the formula ##STR1## wherein R.sup.1 is hydrogen, halogen or lower alkoxy, R.sup.2 is hydrogen, halogen, lower alkoxy, amino or a group ##STR2## (in which R.sup.5 is substituted or unsubstituted phenyl, substituted or unsubstituted phenylmethyl, substituted or unsubstituted phenoxymethyl, or substituted or unsubstituted benzoyl), or R.sup.1 and R.sup.2, when taken together, are carbonyl, R.sup.3 is substituted or unsubstituted phenyl, and R.sup.4 is hydrogen, optionally substituted hydrocarbon residue or acyl, silyl, sulfonyl or phosphonyl derived from inorganic acid or organic acid, the process comprising reacting a dithioazetidinone derivative represented by the formula ##STR3## wherein R.sup.1, R.sup.2 and R.sup.4 are as defined above and R.sup.9 is substituted or unsubstituted, nitrogen-containing aromatic heterocyclic residue with a compound represented by the formulaR.sup.3 SO.sub.2 H (VII)wherein R.sup.3 is defined above.

    摘要翻译: 制备式(I)表示的氮杂环丁酮衍生物的方法,其中R 1是氢,卤素或低级烷氧基,R 2是氢,卤素,低级烷氧基,氨基或基团(其中R 5是取代的或 未取代的苯基,取代或未取代的苯基甲基,取代或未取代的苯氧基甲基或取代或未取代的苯甲酰基),或R 1和R 2一起为羰基,R 3为取代或未取代的苯基,且R 4为氢,任选取代的烃残基或酰基 ,衍生自无机酸或有机酸的甲硅烷基,磺酰基或膦酰基,该方法包括使由式(VI)表示的二硫代氮杂环丁酮衍生物(其中R 1,R 2和R 4如上所定义)和R 9是取代或未取代的, 含有由式R3SO2H(Ⅶ)表示的化合物,其中R3定义如上的化合物。

    Process for preparing 2,2-bishalomethylpenam derivatives
    17.
    发明授权
    Process for preparing 2,2-bishalomethylpenam derivatives 失效
    2,2-二油基甲基衍生物的制备方法

    公开(公告)号:US4599151A

    公开(公告)日:1986-07-08

    申请号:US711922

    申请日:1985-03-15

    CPC分类号: C07D499/00 Y02P20/55

    摘要: This invention provides a process for preparing a 2,2-bishalomethylpenam derivative represented by the formula ##STR1## wherein R.sup.1 represents a lower alkyl group, aryl group, arylmethyl group, arylcarbonyl group or aryloxymethyl group, R.sup.2 represents a carboxyl-protecting group, X.sup.1 and X.sup.2 are the same or different and represent a halogen atom, the process being characterized in that a disulfide represented by the formula ##STR2## wherein R.sup.1, R.sup.2 and X.sup.1 are as defined above and R.sup.3 represents an aryl group or heterocyclic group is subjected to an electrolytic reaction in a solvent in the presence of a halogen acid and/or halogen salt.

    摘要翻译: 本发明提供一种制备式(I)表示的2,2-二油基甲基联苯胺衍生物的方法,其中R1表示低级烷基,芳基,芳基甲基,芳基羰基或芳氧基甲基,R2表示羧基保护基 基团,X1和X2相同或不同,表示卤素原子,该方法的特征在于由式(II)表示的二硫化物,其中R 1,R 2和X 1如上所定义,R 3表示芳基 或杂环基在卤素酸和/或卤素盐的存在下在溶剂中进行电解反应。

    Process for preparing .beta.-lactam derivatives
    18.
    发明授权
    Process for preparing .beta.-lactam derivatives 失效
    制备β-内酰胺衍生物的方法

    公开(公告)号:US4464237A

    公开(公告)日:1984-08-07

    申请号:US406519

    申请日:1982-08-09

    IPC分类号: C07D499/00 C25B3/00 C25B3/06

    CPC分类号: C25B3/06 C07D499/00 C25B3/00

    摘要: This invention provides a process for preparing a .beta.-lactam derivative represented by the formula ##STR1## wherein R.sup.1 represents aralkyl group or aryloxy methyl group, Y represents the group ##STR2## (wherein R.sup.2 represents aryl-substituted lower alkyl group, aryloxy-substituted lower alkyl group or lower alkyl group optionally substituted with halogen atom and X represents halogen atom) or the group ##STR3## (wherein R.sup.2 and X are as defined above), the process comprising electrolyzing an azetidinone derivative of the formula ##STR4## wherein R.sup.1 and R.sup.2 are as defined above in the presence of hydrohalogenic acid and/or halide.

    摘要翻译: 本发明提供了一种制备由式IMA表示的β-内酰胺衍生物的方法,其中R1表示芳烷基或芳氧基甲基,Y表示基团(其中R2表示芳基取代的低级烷基,芳氧基取代的 低级烷基或任选被卤素原子取代的低级烷基,X表示卤素原子)或基团(其中R 2和X如上定义),该方法包括电解下式的氮杂环丁酮衍生物,其中R 1 和R 2如上所定义,在氢卤酸和/或卤化物的存在下。

    Process for preparing oxazolineazetidinone derivatives
    19.
    发明授权
    Process for preparing oxazolineazetidinone derivatives 失效
    制备恶唑啉氮杂环丁酮衍生物的方法

    公开(公告)号:US4379032A

    公开(公告)日:1983-04-05

    申请号:US407134

    申请日:1982-08-09

    CPC分类号: C07D498/04 C25B3/00

    摘要: This invention provides a process for preparing an oxazolineazetidinone derivative represented by the formula ##STR1## (wherein R.sup.1 represents hydrogen atom, alkyl group, alkenyl group, substituted or unsubstituted aralkyl group, substituted or unsubstituted aryl group, or substituted or unsubstituted aryloxymethyl group, R.sup.2 represents free or protected carboxyl group and R.sup.3 represents hydrogen atom or methoxy group) from a penicillin derivative represented by the formula ##STR2## wherein R.sup.1, R.sup.2 and R.sub.3 are as defined above.

    摘要翻译: 本发明提供了制备由式(1)表示的恶唑啉氮杂环丁酮衍生物的方法(其中R1表示氢原子,烷基,烯基,取代或未取代的芳烷基,取代或未取代的芳基或取代或未取代的芳氧基甲基 基团,R 2表示游离或保护的羧基,R 3表示氢原子或甲氧基),由式(2)表示的青霉素衍生物,其中R 1,R 2和R 3如上所定义。