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    • 82. 发明授权
    • Process for the synthesis of ethers of aromatic acids
    • 合成芳香族醚的方法
    • US07985825B2
    • 2011-07-26
    • US12518170
    • 2007-12-18
    • Joachim C. Ritter
    • Joachim C. Ritter
    • C08G63/00C08G64/00
    • C08G63/00C07C51/367C07C65/24C07C65/21
    • Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a halogenated aromatic acid such as is described by the structure of Formula II wherein each X is independently Cl, Br or I; the reaction mixture further comprising; (i) a polar protic solvent, a polar aprotic solvent or an alcoholic solvent containing the alcoholate RO-M+ (wherein M is Na or K), wherein the polar protic solvent, polar aprotic solvent or alcoholic solvent is either ROH or is a solvent that is less acidic than ROH; (ii) a copper (I) or copper (II) source; and (iii) an amino acid ligand that coordinates to copper, wherein the ligand comprises an amino acid in which the amine nitrogen and the carboxyl carbon are separated by no more than two carbon atoms.
    • 芳族酸的醚由卤代芳族酸在含有卤代芳族酸的反应混合物中制备,如式II结构所述,其中每个X独立地为Cl,Br或I; 所述反应混合物还包含 (i)极性质子溶剂,极性非质子溶剂或含有醇化物RO-M +(其中M为Na或K)的醇溶剂,其中极性质子溶剂,极性非质子溶剂或醇溶剂为ROH或溶剂 比ROH酸性低; (ii)铜(I)或铜(II)源; 和(iii)与铜配位的氨基酸配体,其中配体包含其中胺氮和羧基碳不超过两个碳原子分离的氨基酸。