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    • 11. 发明授权
    • Process for the production of substituted
4-thia-2,6-diaza[3.2.0]-2-heptene-7-one
    • 制备取代的4-硫杂-2,6-二氮杂{8 3.2.0 {9,2-庚烯-7-酮
    • US4155911A
    • 1979-05-22
    • US820895
    • 1977-08-01
    • Maurizio FoglioAntonino SuaratoPaolo MasiGiovanni FranceschiGiorgio PalamidessiLuigi Bernardi
    • Maurizio FoglioAntonino SuaratoPaolo MasiGiovanni FranceschiGiorgio PalamidessiLuigi Bernardi
    • C07D205/08C07D513/04
    • C07D513/04C07D205/08
    • A new process is disclosed for the preparation of compounds of structure: ##STR1## and are as defined herein characterized in that a compound of structure ##STR2## where R and R.sup.1 have the meanings given herein, is reacted in a suitable solvent with a haloamide in the presence of a metal oxide or a haloamide in the presence of a free radical initiator under the influence of light or heat or alternatively with a halogen in the presence of a metal oxide, to give a compound of structure: ##STR3## where R and R.sup.1 have the meanings given herein, Hal is a halogen atom; THE INTERMEDIATE COMPOUND (III) in a suitable solvent is then reacted with an appropriate nucleophilic reagent to obtain the compound IV where Z replaces Hal, where Z is defined herein;The compound (IV) is then subjected to an allylic halogenation in a suitable solvent by reacting it with a haloamide either under the influence of light alone or by heating it in the presence of a free radical initiator, to give a compound of structure: ##STR4## where R, R.sup.1 and Hal and Z have the above meanings; THE INTERMEDIATE COMPOUND (V) is then reacted with a reducing agent to give finally the desired compound (I).
    • 公开了用于制备结构式(I)的化合物的新方法,其定义如下,其特征在于其中R和R 1具有本文给出的含义的结构式(II)的化合物在 在金属氧化物或卤代酰胺的存在下,在自由基引发剂的存在下,在光或热的作用下,或者在卤素存在下,在金属氧化物的存在下,与卤代酰胺合适的溶剂,得到结构化合物 (III)其中R和R1具有本文给出的含义,Hal是卤素原子; 然后将合适的溶剂中的中间体化合物(III)与合适的亲核试剂反应,得到Z代替Hal的化合物IV,其中Z在本文中定义; 然后使化合物(IV)在合适的溶剂中通过与单独的光的影响下的卤代酰胺反应或通过在自由基引发剂的存在下加热使其与卤代酰胺反应,得到结构式 (V)其中R,R1,Hal和Z具有上述含义; 然后将中间体化合物(V)与还原剂反应,最终得到所需化合物(I)。
    • 19. 发明授权
    • Thiohydrazoazetidinones
    • THIOHYDRAZOAZETIDINONES
    • US4143037A
    • 1979-03-06
    • US797608
    • 1977-05-16
    • Maurizio FoglioGiovanni FranceschiPaolo MasiAntonino Suarato
    • Maurizio FoglioGiovanni FranceschiPaolo MasiAntonino Suarato
    • C07D205/095C07D205/08
    • C07D205/095
    • A process is disclosed for preparing compounds of structure: ##STR1## where R.sup.1 is hydroxyl, alkoxy with 1 to 4 carbon atoms, trichloroethoxy, benzyloxy, p-methoxybenzyloxy, p-nitrobenzyloxy, benzhydryloxy, triphenylmethoxy, phenacyloxy, or p-halophenacyloxy;Z is hydrogen, hydroxyl, --O-alkyl, --O--CO-alkyl, --Br, --I, --N.sub.3, --O--CO--CH.sub.3, O--CO--NH.sub.2, or an S-mononuclear heterocyclic ring,Starting from ##STR2## where R is hydrogen, alkyl having from 1 to 4 carbon atoms, cyano-methyl, thienyl-methyl, furyl-methyl, naphthyl-methyl, phenyl-methyl, phenoxy-methyl, phenyl-isopropyl, phenoxy-isopropyl, pyridyl-4-thiomethyl, or tetrazolyl-1-methyl;R.sup.2 and R.sup.3 are lower alkyl, a mononuclear aryl ring, CN, a mononuclear heterocyclic ring or the radicals --COR.sup.4, --COOR.sup.4, ##STR3## --CONHR.sup.4, or R.sub.2 and R.sub.3 together represent ##STR4## where T represents ##STR5## and R.sup.4 is a lower alkyl, a mononuclear aryl or heterocyclic ring, WHEREIN THE COMPOUND (II') is reacted with a phosphorous halide in the presence of a tertiary amine, the corresponding imino chloride is reacted with a lower aliphatic alcohol, the iminoether so formed is hydrolyzed in an acid medium, and the resultant 3-amino-2-.beta.-thiohydrazoazetidinone: ##STR6## in which R.sup.1, R.sup.2, R.sup.3 and Z have the meanings given heretofore,Is reacted between -100.degree. and +120.degree. C. with inorganic basic or weakly acid oxides or inorganic and organic bases, to give (V).
    • 20. 发明授权
    • Process for preparing cephalosporins and intermediates
    • 制备头孢菌素和中间体的方法
    • US4012381A
    • 1977-03-15
    • US586376
    • 1975-06-12
    • Maurizio FoglioGiovanni FranceschiPaolo MasiAntonino Suarato
    • Maurizio FoglioGiovanni FranceschiPaolo MasiAntonino Suarato
    • C07D205/095C07D501/08C07D501/18C07D501/20
    • C07D205/095
    • A process is disclosed for preparing derivatives of 7-amino-cephalosporanic acid and 7-amino-desacetoxycephalosporanic acid of structure: starting from a 3-acylamino-2.beta.-thiohydrazoazetidinone of structure: ##STR1## wherein the compound (II') is reacted with a phosphorous halide in the presence of a tertiary amine, the corresponding imino chloride is reacted with a lower aliphatic alcohol, the iminoether so formed is hydrolyzed with water in an acid medium, and the resultant 3-amino-2.beta.-thiohydrazoazetidinone of structure: ##STR2## is reacted in a suitable solvent and at a temperature between -100.degree. and +120.degree. C with a compound selected from the class consisting of inorganic basic or weakly acid oxides and inorganic and organic bases, to finally give the desired compound (V) which is isolated and purified in known manner.2.beta.-thiohydrazoazetidinones are also disclosed as intermediates.
    • 公开了一种制备以下结构的3-氨基 - 头孢烷酸和7-氨基 - 脱乙酰氧基头孢烷酸的衍生物的方法,其结构如下:起始于结构如下的3-酰基氨基-2β-硫代代氮杂环丁酮:(II' ),其中化合物(II')在叔胺存在下与卤化磷反应,相应的亚氨基氯与低级脂族醇反应,所形成的亚氨基醚在酸性介质中用水水解,得到的 将结构如下的3-氨基-2β-硫代代代氮杂环丁酮在合适的溶剂中,在-100至+ 120℃的温度下与选自无机碱性或弱碱性的化合物反应 酸性氧化物和无机和有机碱,最终得到所需的化合物(V),其以已知方式分离和纯化。