[C:1]([O:13][CH3:14])(=[O:12])[C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8][CH3:9])=[O:7])=[CH:4][CH:3]=1.[CH2:15]([CH:17]([CH2:20][CH2:21][CH2:22][CH3:23])CO)[CH3:16]>C1(C)C(C)=CC=CC=1.[O-]CCCC.[Ti+4].[O-]CCCC.[O-]CCCC.[O-]CCCC>[C:6]([O:8][CH2:9][CH:17]([CH2:15][CH3:16])[CH2:20][CH2:21][CH2:22][CH3:23])(=[O:7])[C:5]1[CH:10]=[CH:11][C:2]([C:1]([O:13][CH3:14])=[O:12])=[CH:3][CH:4]=1A 2000 ml multi-neck flask stirring apparatus, composed of an intensive condenser, which is attached to a thermostat, and a distillation bridge, is charged with 1 mol of dimethyl terephtalate in 1.2 l of xylene at 40° C., and a mixture of 340 mg of titanium(IV) butoxide and 1 mol of 2-ethyl-1-hexanol is added dropwise.
読み込み中…