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一、化学名称:菊酸乙酯()二、理化性质:外观:无色油状液体沸点:95~110℃/1.47×10~3Pa117~121℃/2.67×10~3Pa比密度:d_(24):0.924~0.927折光:1.4560~1.4580溶解度:能溶于乙醇、丙酮、苯、二甲苯等多种有机溶剂。三、制法:(二烯法)由乙炔和丙酮经加成、加氢、脱水等反应制成二烯,再与重氮乙酸酯反应而制得菊酸乙酯,反应式如下:
First, the chemical name: ethyl chrysin (II) Physical and Chemical Properties: Appearance: Colorless oily liquid Boiling point: 95 ~ 110 ℃ / 1.47 × 10 ~ 3Pa117 ~ 121 ℃ / 2.67 × 10 ~ 3Pa Specific density: d_ (24) : 0.924 ~ 0.927 Refraction: 1.4560 ~ 1.4580 Solubility: soluble in ethanol, acetone, benzene, xylene and other organic solvents. Third, the system of law: (diene method) from acetylene and acetone by the addition, hydrogenation, dehydration and other reactions made of diene, and diazoacetic acid and then react to produce ethyl chrysanthemum, the reaction is as follows: