【摘要】 标题化合物C24H30O5是由对甲氧基苯甲醛和达米酮在离子液体中反应而得.化合物结构通过元素分析、红外、核磁共振氢谱及单晶X射线衍射分析表征.其晶体属于单斜晶系,空间群P21/n,a=0.887 77(14),b=1.154 5(2),c=2.100 6(4)nm,β=98.530(7)°,Mr=398.48,V=2.129 2(6)nm3,Dc=1.243 g/cm3,Z=4,μ(Mo Kα)=0.086mm-1,F(000)=856,R=0.056 9,Rw=0.115 9.X衍射分析表明:分子中烯醇式结构采用半椅式构象.此外,分子中存在分子内氢键.更多还原

【Abstract】 The title compound(C₂₄H₃₀O₅) was synthesized by the reaction of 4-methoxybenzaldehyde and dimedone in ionic liquid [bmim⁺][BF^-₄].Its structure was characterized by elemental analysis, IR,¹HNMR and X-ray single crystal diffraction.The crystal is of monoclinic,space group P2₁/n with a=0.887 77（14）,b=1.154 5（2）,c=2.100 6（4） nm,β=98.530（7）°,M_r=398.48,V=2.129 2（6） nm³,D_c=1.243 g/cm³,Z=4,μ（Mo K_α）=0.086 mm^-1,F（000）=856,R=0.056 9,R_w=0.115 9.X-ray analysis reveals that the enol form ring adopts a half-chair conformation.In addition,there are intramolecular hydrogen bonds in the structure.更多还原