申请人:NEW JAPAN CHEMICAL CO.,LTD.
公开号:EP0697389A1
公开(公告)日:1996-02-21
There is provided a process for producing an alicyclic diketone compound represented by the formula (1)
wherein X is a single bond, -CH₂-, -C(CH₃)₂-, -O- or -SO₂-, R¹ and R² each represents an alkyl group having 1 to 6 carbon atoms, m and n are 0 to 2, comprising dehydrogenating an alicyclic diol compound represented by the formula (2)
wherein X, R¹, R², m and n are as defined above in a liquid phase in the presence of at least one member selected from the group consisting of copper type catalysts and Raney type catalysts.
提供了一种生产由式(1)表示的脂环族二酮化合物的工艺
其中 X 为单键、-CH₂-、-C(CH₃)₂-、-O- 或-SO₂-,R¹ 和 R² 分别代表具有 1 至 6 个碳原子的烷基,m 和 n 为 0 至 2,包括将式 (2) 所代表的脂环族二元醇化合物脱氢
其中 X、R¹、R²、m 和 n 如上文所定义,在液相中,在至少一种选自铜催化剂和雷尼催化剂组成的组中的催化剂存在下进行。