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    • 4. 发明授权
    • Process for producing penam compound useful for preparing tazobactam
    • 制备可用于制备他唑巴坦的penam化合物的方法
    • US07714125B2
    • 2010-05-11
    • US11665006
    • 2005-10-25
    • Isao WadaYoshihisa TokumaruAkihiro Shimabayashi
    • Isao WadaYoshihisa TokumaruAkihiro Shimabayashi
    • C07D499/04
    • C07D499/00
    • An object of the invention is to provide an industrially advantageous process capable of remarkably suppressing the generation of an undesirable by-product cepham compound to thereby efficiently produce a desired 2α-methyl-2β-[(1,2,3-triazol-1-yl)methyl]penam-3α-carboxylic acid ester. In the present invention, a diphenylmethyl 2β-bromomethyl-2α-methylpenam-3α-carboxylate (BMPB) is reacted with 1,2,3-triazole in a halogenated hydrocarbon solvent at −5° C. or lower. The reaction in a halogenated hydrocarbon solvent at −5° C. or less can remarkably suppress the generation of an undesirable by-product cepham compound, so that the desired diphenylmethyl 2α-methyl-2β-[(1,2,3-triazol-1-yl)methyl]penam-3α-carboxylate (TMPB) can be efficiently produced.
    • 本发明的目的是提供一种工业上有利的方法,该方法能够显着抑制不期望的副产物头孢烯化合物的产生,从而有效地产生所需的2α-甲基-2' - [(1,2,3-三唑-1-基) - 基)甲基] penam-3α-羧酸酯。 在本发明中,在-5℃或更低的卤代烃溶剂中使二苯基甲基2'-溴甲基-2α-甲基青蒿素-3α-羧酸酯(BMPB)与1,2,3-三唑反应。 在-5℃或更低的卤代烃溶剂中的反应可以显着地抑制不期望的副产物头孢烯化合物的产生,从而使所需的二苯基甲基2α-甲基-2' - [(1,2,3-三唑) -1-基)甲基] penam-3α-羧酸酯(TMPB)。
    • 5. 发明申请
    • Pharmaceutical Compounds
    • 药物化合物
    • US20090170941A1
    • 2009-07-02
    • US12132245
    • 2008-06-03
    • Piero Del SOLDATO
    • Piero Del SOLDATO
    • A61K31/216C07C69/76A61P43/00
    • C07D295/088C07C203/04C07C219/22C07C219/24C07C229/42C07C233/25C07C317/44C07C2602/08C07D219/10C07D309/30C07D401/12C07D499/00C07F9/3873C07H15/252
    • Compounds or their salts of general formula (I): A-B—N(O)s wherein: s is an integer equal to 1 or 2; A=R-T1-, wherein R is the drug radical and T1=(CO)t or (X)t′, wherein X=O, S, NR1c, R1c is H or a linear or branched alkyl or a free valence, t and t′ are integers and equal to zero or 1, with the proviso that t=1 when t′=0; t=0 when t′=1; B=-TB-X2—O— wherein TB=(CO) when t=0, TB=X when t′=0, X being as above defined; X2 is equal to R1B—X—R2B radical wherein X is as above defined, R1B and R2B, equal to or different from each other, are linear or branched C1-C6 alkylenes, or X2 is a radical wherein two alkylene chains C1-C4 are linked to nonadjacent positions of a central ring having 4 or 6 atoms, said ring being an unsaturated cycloaliphatic ring, or a saturated or aromatic heterocylic ring, containing one or two heteroatoms, equal or different, selected from O, S, N; wherein the unsaturated cycloaliphatic ring does not have aromatic character according to Huckel's rule.
    • 通式(I)的化合物或其盐:A-B-N(O)s其中:s为等于1或2的整数; A = R-T1-,其中R是药物基团,T1 =(CO)t或(X)t',其中X = O,S,NR1c,R1c是H或直链或支链烷基或自由价, t和t'是整数并且等于零或1,条件是当t'= 0时t = 1; 当t'= 1时,t = 0; B = -TB-X2-O-其中当t = 0时TB =(CO),当t'= 0时,TB = X,X如上所定义; X2等于R1B-X-R2B基团,其中X如上所定义,R1B和R2B彼此相同或不同,为直链或支链C1-C6亚烷基,或X2为其中两个亚烷基链C1-C4 连接到具有4或6个原子的中心环的不相邻位置,所述环是不饱和脂环族环或饱和或芳族杂环,其含有一个或两个相同或不同的选自O,S,N的杂原子; 其中不饱和脂环族环根据Huckel的规则不具有芳香性质。
    • 7. 发明申请
    • Process for Producing Penam Compound
    • 生产Penam化合物的方法
    • US20090012287A1
    • 2009-01-08
    • US11665006
    • 2005-10-25
    • Isao WadaYoshihisa TokumaruAkihiro Shimabayashi
    • Isao WadaYoshihisa TokumaruAkihiro Shimabayashi
    • C07D499/04
    • C07D499/00
    • An object of the invention is to provide an industrially advantageous process capable of remarkably suppressing the generation of an undesirable by-product cepham compound to thereby efficiently produce a desired 2α-methyl-2β-[(1,2,3-triazol-1-yl)methyl]penam-3α-carboxylic acid ester. In the present invention, a diphenylmethyl 2β-bromomethyl-2α-methylpenam-3α-carboxylate (BMPB) is reacted with 1,2,3-triazole in a halogenated hydrocarbon solvent at −5° C. or lower. The reaction in a halogenated hydrocarbon solvent at −5° C. or less can remarkably suppress the generation of an undesirable by-product cepham compound, so that the desired diphenylmethyl 2α-methyl-2β-[(1,2,3-triazol-1-yl)methyl]penam-3α-carboxylate (TMPB) can be efficiently produced.
    • 本发明的目的是提供一种工业上有利的方法,该方法能够显着地抑制不期望的副产物头孢烯化合物的产生,从而有效地产生所需的2α-甲基-2aeta - [(1,2,3-三唑-1-基) 吡啶-3-基)甲基] penam-3α-羧酸酯。 在本发明中,在-5℃或更低的卤代烃溶剂中使二苯基甲基2ba-溴甲基-2α-甲基青蒿素-3α-羧酸酯(BMPB)与1,2,3-三唑反应。 在-5℃或更低的卤代烃溶剂中的反应可以显着地抑制不合需要的副产物头孢烯化合物的产生,使得所需的二甲基二甲基-2α-甲基-2β-[(1,2,3-三唑-2-基) (TMPB))可以有效地制备。