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    • 3. 发明授权
    • Process for producing β-oxonitrile compound or alkali metal salt thereof
    • 制备β-氧腈化合物或其碱金属盐的方法
    • US07141693B2
    • 2006-11-28
    • US10485495
    • 2002-08-02
    • Akio MatsushitaKiyotaka YoshiiMasayoshi OueTaku NakamuraShuji Yamada
    • Akio MatsushitaKiyotaka YoshiiMasayoshi OueTaku NakamuraShuji Yamada
    • C07C255/03
    • C07C253/30C07C255/17
    • The present invention relates to a process for preparing a β-oxonitrile compound or an alkali metal salt thereof which comprises reacting a carboxylic ester represented by the formula (1): R1CO2R2  (1) wherein R1 and R2 each represent a group which does not participate in a reaction, provided that R2 excludes a hydrogen atom, with a nitrile compound represented by the formula (2): R3CH2CN  (2) wherein R3 represents an alkyl group, and a base at 145 to 300° C. in a sealed vessel to obtain an alkali metal salt of a β-oxonitrile compound represented by the formula (3): wherein R1 and R3 have the same meanings as defined above, and neutralizing the same with an acid, if necessary.
    • 本发明涉及一种制备β-氧腈化合物或其碱金属盐的方法,包括使由式(1)表示的羧酸酯:<?in-line-formula description =“In-line Formula”end =“lead”?> R <1> 2 2(1)<?in-line-formula description =“在线公式 “末端”“尾”→其中R 1和R 2各自表示不参与反应的基团,条件是R 2 O >不包括氢原子与式(2)表示的腈化合物:<?in-line-formula description =“In-line formula”end =“lead”?> R 3 CN(2)<βin-line-formula description =“In-line Formulas”end =“tail”?>其中R 3表示烷基,和 在密封容器中在145-300℃的碱,得到由式(3)表示的β-氧腈化合物的碱金属盐:其中R 1和R 3, / SUP>与定义的含义相同 如果需要,用酸中和酸。