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
The crystals of α,α’-dioxoketene cyclic dithioacetals were prepared and their crystal structures were determined by X-ray crystallography.The influence of bond lengths,bond angles,dihedral angles and the molecular ...The crystals of α,α’-dioxoketene cyclic dithioacetals were prepared and their crystal structures were determined by X-ray crystallography.The influence of bond lengths,bond angles,dihedral angles and the molecular conformation on different substituted cyclic dithionacetals aldehyde ketone was discussed.Compound A is Monoclinic form,P21/c Space group,Unit cell dimensions,a=0.78337(6)nm,b=O54937(4)nm,c=2.8243(2)nm,α=90°,β=90.7740(10)°,γ=90°,V=1.215(4)nm3,Z=4,Dc=1.445g/cm3,F(000)=552.Compound B is Orthorhombic form,P212121 Space group,Unit cell dimensions,a=0.5665(5)nm,b=0.7980(7)nm,c=2.924(3)nm,α=90°,β=90°,γ=90°,V=1.322(2)nm3,Z=4,Dc=1.399g/cm3,F(000)=584.展开更多
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。
文摘The crystals of α,α’-dioxoketene cyclic dithioacetals were prepared and their crystal structures were determined by X-ray crystallography.The influence of bond lengths,bond angles,dihedral angles and the molecular conformation on different substituted cyclic dithionacetals aldehyde ketone was discussed.Compound A is Monoclinic form,P21/c Space group,Unit cell dimensions,a=0.78337(6)nm,b=O54937(4)nm,c=2.8243(2)nm,α=90°,β=90.7740(10)°,γ=90°,V=1.215(4)nm3,Z=4,Dc=1.445g/cm3,F(000)=552.Compound B is Orthorhombic form,P212121 Space group,Unit cell dimensions,a=0.5665(5)nm,b=0.7980(7)nm,c=2.924(3)nm,α=90°,β=90°,γ=90°,V=1.322(2)nm3,Z=4,Dc=1.399g/cm3,F(000)=584.