The Nefedipine has been synthesized by reaction of m-nitrobenzaldehyde , ethyl acetoactate and ammomiun acetate under microwave irradiation without solvent. The reaction is completed in 4 min with 82% yield.
标题化合物C21H24N2O5是由间硝基苯甲醛、达咪酮、乙酰乙酸乙酯、醋酸铵在微波辐射下干反应而得。结构通过单晶X-射线衍射法确定,其晶体属斜方晶系,空间群 Pbcn, a =17.953(3), b =15.206(4), c =14.299(3), V =3904.(2)3, Mr =384.42, ...标题化合物C21H24N2O5是由间硝基苯甲醛、达咪酮、乙酰乙酸乙酯、醋酸铵在微波辐射下干反应而得。结构通过单晶X-射线衍射法确定,其晶体属斜方晶系,空间群 Pbcn, a =17.953(3), b =15.206(4), c =14.299(3), V =3904.(2)3, Mr =384.42, Z =8, Dc =1.308g/cm3 , m(MoKa) =0.094mm-1, F(000)=1632。晶体结构用直接法解出,经全矩阵最小二乘法对原子参数进行修正,最终的偏离因子为R=0.0493, wR=0.1078。X-射线分析结果表明,吡啶环为船式构象,与之稠合的六元环为信封式构象。展开更多
标题化合物C24H26O5是由胡椒醛、达咪酮在微波辐射下反应而得,反应在5分钟内完成。结构通过单晶 X-射线衍射法测定,其晶体属三斜晶系,空间群P, a = 7.1338(1), b = 10.4406 (3), c = 14.3323(4) , a = 82.56(1), b = 89.37(1), g = 78.9...标题化合物C24H26O5是由胡椒醛、达咪酮在微波辐射下反应而得,反应在5分钟内完成。结构通过单晶 X-射线衍射法测定,其晶体属三斜晶系,空间群P, a = 7.1338(1), b = 10.4406 (3), c = 14.3323(4) , a = 82.56(1), b = 89.37(1), g = 78.94(1), V = 1038.73(4) 3, Mr = 394.45, Z = 2, Dc = 1.261 g/cm3, l = 0.71073 ? m(MoKa) = 0.088 mm-1, F(000) = 420, R = 0.0648, wR = 0.1588。在分子结构中吡喃环为船式构象,2个的环己酮环为信封式结构。展开更多
文摘The Nefedipine has been synthesized by reaction of m-nitrobenzaldehyde , ethyl acetoactate and ammomiun acetate under microwave irradiation without solvent. The reaction is completed in 4 min with 82% yield.
文摘标题化合物C21H24N2O5是由间硝基苯甲醛、达咪酮、乙酰乙酸乙酯、醋酸铵在微波辐射下干反应而得。结构通过单晶X-射线衍射法确定,其晶体属斜方晶系,空间群 Pbcn, a =17.953(3), b =15.206(4), c =14.299(3), V =3904.(2)3, Mr =384.42, Z =8, Dc =1.308g/cm3 , m(MoKa) =0.094mm-1, F(000)=1632。晶体结构用直接法解出,经全矩阵最小二乘法对原子参数进行修正,最终的偏离因子为R=0.0493, wR=0.1078。X-射线分析结果表明,吡啶环为船式构象,与之稠合的六元环为信封式构象。
文摘标题化合物C24H26O5是由胡椒醛、达咪酮在微波辐射下反应而得,反应在5分钟内完成。结构通过单晶 X-射线衍射法测定,其晶体属三斜晶系,空间群P, a = 7.1338(1), b = 10.4406 (3), c = 14.3323(4) , a = 82.56(1), b = 89.37(1), g = 78.94(1), V = 1038.73(4) 3, Mr = 394.45, Z = 2, Dc = 1.261 g/cm3, l = 0.71073 ? m(MoKa) = 0.088 mm-1, F(000) = 420, R = 0.0648, wR = 0.1588。在分子结构中吡喃环为船式构象,2个的环己酮环为信封式结构。