| 摘要 |
1,166,780. Adipic acid. UCB (UNION CHIMIQUE-CHEMISCHE BEDRIJVEN) S.A. 18 July, 1968 [21 July, 1967], No. 34334/68. Heading C2C. Adipic acid is prepared by hydrodimerization of acrylic acid in the presence of an alkali metal amalgam in a solvent medium comprising dimethyl sulphoxide preferably admixed with water. The reaction is preferably carried out at 0‹ to 30‹ C. |
