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    • 4. 发明公开
    • OPTICALLY ACTIVE 2,2'-BIPHENOL DERIVATIVE AND METHOD FOR PRODUCING THE SAME
    • OPTISCH AKTIVES 2,2'-BIPHENOLDERIVAT UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2241545A1
    • 2010-10-20
    • EP09700542.5
    • 2009-01-06
    • Nippon Soda Co., Ltd.
    • ITO, YoshikazuKUBOTA, YasushiINOUE, Tsutomu
    • C07C37/50C07B57/00C07C37/00C07C37/11C07C39/15C07C39/367
    • C07B57/00C07B2200/07C07C37/00C07C37/11C07C37/50C07C39/367C07C39/15
    • An optically active 2,2'-biphenol derivative and a production method that enables simple and efficient production of this compound. More specifically, an optically active biphenol derivative represented by the following formulas (1) and (2), a method for optically resolving a biphenol derivative represented by formula (2'), a production method of an optically active biphenol derivative (1) comprising a step for reacting a Brønsted acid with a biphenol derivative (2), and a production method of an optically active biphenol derivative (3) comprising a step for reacting a Lewis acid with an optically active biphenol derivative (1) or an optically active biphenol derivative (2). In the following formulas, R 1 represents, for example, a primary or secondary alkyl group having 1 to 10 carbon atoms, * represents an axially asymmetric center, X represents a halogen atom, and R 2 represents a tertiary alkyl group having 4 to 6 carbon atoms.
    • 一种光学活性的2,2'-联苯酚衍生物和能够简单且有效地生产该化合物的制备方法。 更具体地,由下式(1)和(2)表示的光学活性联苯酚衍生物,用于光学拆分由式(2')表示的联苯酚衍生物的方法,光学活性联苯酚衍生物(1)的制备方法,包括 使布朗斯台德酸与联苯酚衍生物(2)反应的步骤和光学活性联苯酚衍生物(3)的制备方法包括使路易斯酸与光学活性联苯酚衍生物(1)或光学活性联苯酚 衍生物(2)。 在下式中,R 1表示例如具有1〜10个碳原子的伯或仲烷基,*表示轴向不对称中心,X表示卤素原子,R 2表示具有4-6个碳原子的叔烷基 碳原子。
    • 6. 发明公开
    • PROCESS FOR PREPARATION OF 1-ALKYL-5-BENZOYL-1H-TETRAZOLE DERIVATIVES
    • VERFAHREN ZUR HERSTELLUNG VON 1-ALKYL-5-BENZOYL-1H-TETRAZOL-DERIVATEN
    • EP2407461A1
    • 2012-01-18
    • EP10750541.4
    • 2010-03-08
    • Nippon Soda Co., Ltd.
    • SUZUKI, TatsumiSUGIURA, TadashiITO, Yoshikazu
    • C07D257/04
    • C07D257/04
    • The present invention provides a process for preparation of 1-alkyl-5-benzoyl-1H-tetrazole derivative including a step 1 of reacting a ketoamide derivative represented by formula (I) (in formula (I), A represents a halogen atom or the like; n represents an integer of 0 to 5; Y represents an alkyl group) with a halogenating agent to obtain an imidoyl halide derivative represented by formula (II) (in formula (II), A, n and Y are as defined above; X represents a halogen atom); and a step 2 of reacting the imidoyl halide derivative represented by formula (II) with an azide represented by formula (III) (in formula (III), M represents an alkali metal or the like; m represents 1 or 2) to obtain a 1-alkyl-5-benzoyl-1H-tetrazole derivative represented by formula (IV) (in formula (IV), A, n and Y are as defined above).



              M(N3) m      (III)
    • 本发明提供了制备1-烷基-5-苯甲酰基-1H-四唑衍生物的方法,其包括使式(I)表示的酮酰胺衍生物(式(I)中的A表示卤素原子或 (II)表示的亚氨基卤化物衍生物(式(II)中,A,n和Y如上所定义),卤素化合物,n表示0〜5的整数,Y表示烷基,Y表示烷基) X表示卤原子); 和式(II)表示的亚氨基卤衍生物与式(III)表示的叠氮化物(式(III)中的M表示碱金属等,m表示1或2)反应,得到 式(IV)(式(IV)中,A,n和Y如上定义)的1-烷基-5-苯甲酰基-1H-四唑衍生物。 €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒM(N3)m€ƒ€ƒ€ƒ€ƒ(III)