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    • 7. 发明专利
    • Method for producing n-(n'-substituted glycyl)-2-cyanopyrrolidine derivative
    • 生产N-(N'-取代的甘氨酸)-2-氰基吡咯烷衍生物的方法
    • JP2012197291A
    • 2012-10-18
    • JP2012126278
    • 2012-06-01
    • Mitsubishi Tanabe Pharma Corp田辺三菱製薬株式会社
    • KURODA TORUHATSUDA MASANORITOSHIKAWA SHOTA
    • C07D207/16C07B61/00
    • C07D207/16Y02P20/55
    • PROBLEM TO BE SOLVED: To provide a method for producing a high-quality N-(N'-substituted glycyl)-2-cyanopyrrolidine derivative by reducing formation of byproducts.SOLUTION: A substitution method for amino group protection includes (i) obtaining a primary or secondary amine compound by reacting an amine compound protected by a first amino group-protecting group except a benzyl group or a substituted benzyl group in the presence of a palladium catalyst to remove the first amino group-protecting group, (ii) successively reacting the primary or secondary amine compound with benzaldehyde or a substituted benzaldehyde in a nitrogen atmosphere in the same reaction system, and (iii) after replacing the reaction system with hydrogen, subjecting the resultant product to a reduction reaction in the presence of the palladium catalyst same as (i) above to afford the amine compound protected with a second amino group-protecting group selected from the benzyl group and the substituted benzyl group.
    • 待解决的问题:提供通过减少副产物的形成来生产高品质的N-(N'取代的甘氨酰基)-2-氰基吡咯烷衍生物的方法。 解决方案:用于氨基保护的取代方法包括(i)通过使由除了苄基或取代的苄基之外的第一氨基保护基保护的胺化合物在存在下进行反应获得伯或仲胺化合物 用于除去第一氨基保护基团的钯催化剂,(ii)在相同的反应体系中,在氮气气氛中使伯胺或仲胺化合物与苯甲醛或取代的苯甲醛相继反应,和(iii)在将反应体系用 氢气,在与上述(i)相同的钯催化剂存在下使所得产物进行还原反应,得到用选自苄基和取代苄基的第二氨基保护基保护的胺化合物。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Method for producing grignard reagent
    • 生产格氏试剂的方法
    • JP2008056690A
    • 2008-03-13
    • JP2007269951
    • 2007-10-17
    • Mitsubishi Tanabe Pharma Corp田辺三菱製薬株式会社
    • SEKI MASAHIKOSHIMIZU TOSHIAKIYOSHIDA SHINICHIHATSUDA MASANORI
    • C07F3/02C07F3/06
    • PROBLEM TO BE SOLVED: To provide a method for producing a Grignard reagent more efficient than the conventional method. SOLUTION: The method for producing the compound represented by general formula (IX): R-X-Y (wherein, X is zinc or magnesium; and Y is iodine, bromine or chlorine) includes reacting a compound represented by general formula (VIII): R-I (VIII) (wherein, R is an alkyl group which may have a substituent, a bicyclo group which may have a substituent, an alkenyl group which may have a substituent, a heterocyclic group which contains one to four atoms selected from nitrogen atoms, oxygen atoms and sulfur atoms, and may have a substituent, or an aryl group which may have a substituent) with zinc or magnesium treated with bromine, hydrogen chloride or hydrogen bromide. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供比常规方法更有效的格氏试剂的制备方法。 解决方案:由通式(Ⅸ)表示的化合物的制备方法:RXY(其中,X为锌或镁,Y为碘,溴或氯)包括使通式(Ⅷ)表示的化合物: R 1(Ⅷ)(其中,R为可具有取代基的烷基,可具有取代基的二环基,可具有取代基的烯基,含有1〜4个选自氮原子的原子的杂环基, 氧原子和硫原子,并且可以具有取代基或可具有取代基的芳基)与用溴,氯化氢或溴化氢处理的锌或镁。 版权所有(C)2008,JPO&INPIT