Process for preparing azetidinone derivatives
    11.
    发明授权
    Process for preparing azetidinone derivatives 失效
    制备氮杂环丁酮衍生物的方法

    公开(公告)号:US4566996A

    公开(公告)日:1986-01-28

    申请号:US567736

    申请日:1984-01-03

    CPC分类号: C07D205/095 Y02P20/55

    摘要: A process for preparing an azetidinone derivative represented by the formula (1) ##STR1## wherein R.sup.1 represents a substituted or unsubstituted aryl group, a substituted or unsubstituted phenylmethyl group or a substituted or unsubstituted phenoxymethyl group, R.sup.2 represents a hydrogen atom or a group for protecting carboxylic acid and Ar represents a substituted or unsubstituted phenyl group, the process comprising reacting a thiazolineazetidinone derivative represented by the formula (2) ##STR2## wherein R.sup.1 and R.sup.2 are as defined above with a sulfonyl bromide represented by the formula (3)Ar--SO.sub.2 --Br (3)wherein Ar is as defined above in water-containing organic solvent.

    摘要翻译: 制备由式(1)表示的氮杂环丁酮衍生物的方法其中R1表示取代或未取代的芳基,取代或未取代的苯基甲基或取代或未取代的苯氧基甲基,R2表示氢原子或 用于保护羧酸和Ar的基团代表取代或未取代的苯基,该方法包括使式(2)表示的噻唑啉氮杂环丁酮衍生物(2)其中R1和R2如上定义, 式(3)Ar-SO 2-Br(3)其中Ar如上所述在含水有机溶剂中。

    Process for preparing 2-oxycephalosporin derivatives
    14.
    发明授权
    Process for preparing 2-oxycephalosporin derivatives 失效
    2-羟基头孢菌素衍生物的制备方法

    公开(公告)号:US4401528A

    公开(公告)日:1983-08-30

    申请号:US407328

    申请日:1982-08-12

    CPC分类号: C07D501/04

    摘要: This invention provides a process for preparing 2-oxycephalosporin derivative represented by the formula ##STR1## wherein R.sup.1 represents hydrogen atom, acyl group, or lower alkoxycarbonyl group optionally substituted with halogen atom, R.sup.2 represents hydrogen atom, halogen atom or acyloxy group optionally substituted with halogen atom, R.sup.3 represents hydrogen atom, lower alkyl group optionally substituted with halogen atom, or phenyl-lower alkyl group which may be optionally substituted with nitro group, halogen atom or lower alkoxy group on the phenyl ring, and R.sup.4 represents lower primary or secondary alkyl or lower alkylcarbonyl, the process comprising electrolytically oxidizing a cephalosporin derivative represented by the formula ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined above, in the presence of a lower carboxylic acid or lower primary or secondary alcohol, and a supporting electrolyte.

    摘要翻译: 本发明提供一种制备由式(I)表示的2-羟基头孢菌素衍生物的方法,其中R 1表示氢原子,酰基或任选被卤素原子取代的低级烷氧基羰基,R 2表示氢原子,卤素原子或酰氧基 任选被卤素原子取代,R 3表示氢原子,任选被卤素原子取代的低级烷基或苯基 - 可以任意被硝基,卤素原子或苯环上的低级烷氧基取代的苯基 - 低级烷基,R4表示低级 伯或仲烷基或低级烷基羰基,该方法包括在低级羧酸或较低级初级或次级级存在下电解氧化式(II)表示的头孢菌素衍生物,其中R 1,R 2和R 3如上定义。 酒精和支持电解质。

    Process for preparation of azetidinone derivatives
    16.
    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
    18.
    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
    19.
    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
    20.
    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。