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    • 24. 发明公开
    • 설파민카복실산 유도체의 제조방법
    • 生产磺酰基羧酸酯衍生物的方法
    • KR1020070116235A
    • 2007-12-07
    • KR1020077021525
    • 2006-03-30
    • 시오노기 앤드 컴파니, 리미티드
    • 마스이도시아키요시다가즈히로
    • C07C313/06C07C303/36C07C303/40
    • C07C313/06C07C303/36C07C2601/14C07C311/07
    • Disclosed is a method for producing a compound (III), a salt thereof or a solvate of them by reacting a compound (I), a salt thereof or a solvate of them with a compound (II) in a toluene solvent in the presence of an additive such as water or an alcohol. Also disclosed is a method for producing a compound (IV) wherein the thus-obtained compound (III) is hydrolyzed if necessary, and then oxidized. (In the formulae, R1 represents a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted aryl-lower alkyl; and R2 represents an optionally substituted lower alkyl, an optionally substituted cycloalkyl or an optionally substituted aryl-lower alkyl.)
    • 公开了通过使化合物(I),其盐或其溶剂合物与化合物(II)在甲苯溶剂中在甲苯溶剂存在下反应来制备化合物(III),其盐或其溶剂化物的方法, 添加剂如水或醇。 还公开了一种制备化合物(Ⅳ)的方法,其中将如此得到的化合物(III)根据需要水解,然后氧化。 (式中,R 1表示氢,可以具有取代基的低级烷基,可以具有取代基的芳基或任意取代的芳基 - 低级烷基,R 2表示可以具有取代基的低级烷基,可以具有取代基的环烷基或任意取代的芳基 - 低级烷基 。)