C13H17N3O,Mr=231.30,monoclinic,P21/,a=7.094(5).b =32.14(l),c=5.894(4)A,β=112.84(4)°,Z=4,Dx=l.24 gcm-3,V=1238(l) A 3,λ(MoKα)=0.71069 A,μ=0.76 cm-1.F(000)=496,T=293K,R=0.060,Rω=0.062 for 1205 reflections(I】3...C13H17N3O,Mr=231.30,monoclinic,P21/,a=7.094(5).b =32.14(l),c=5.894(4)A,β=112.84(4)°,Z=4,Dx=l.24 gcm-3,V=1238(l) A 3,λ(MoKα)=0.71069 A,μ=0.76 cm-1.F(000)=496,T=293K,R=0.060,Rω=0.062 for 1205 reflections(I】3σ(I)).The cyclohexane ring shows a slightly distorted chair conformation.The NHCONH2 group has a conformation with the C=O bond trans to the N-N bond.The molecules in the crystal are linked together by the O…H-N hydrogen bonding.forming an infinite ribbon.展开更多
A simple and efficient method has been developed for highly diastcreoselective synthesis of trans-1,1-disubstituted-2,6-diarylcyclohexane-4-ones from dibenzalacetone and malononitril with trans-1,2-diaminocyclohexane ...A simple and efficient method has been developed for highly diastcreoselective synthesis of trans-1,1-disubstituted-2,6-diarylcyclohexane-4-ones from dibenzalacetone and malononitril with trans-1,2-diaminocyclohexane as catalyst. The substrate 1,5-diaryl-1,4-pentadien-3-ones and active methylene compounds proceeded to give the products with good to excellent yield within a short time.展开更多
文摘C13H17N3O,Mr=231.30,monoclinic,P21/,a=7.094(5).b =32.14(l),c=5.894(4)A,β=112.84(4)°,Z=4,Dx=l.24 gcm-3,V=1238(l) A 3,λ(MoKα)=0.71069 A,μ=0.76 cm-1.F(000)=496,T=293K,R=0.060,Rω=0.062 for 1205 reflections(I】3σ(I)).The cyclohexane ring shows a slightly distorted chair conformation.The NHCONH2 group has a conformation with the C=O bond trans to the N-N bond.The molecules in the crystal are linked together by the O…H-N hydrogen bonding.forming an infinite ribbon.
基金the Key Projects in the National Science ＆ Technology Pillar Program of China，the Program for New Century Excellent Talents in University,China，the National Natural Science Foundation of China，the Natural Science Foundation of Tianjin City,China
文摘A simple and efficient method has been developed for highly diastcreoselective synthesis of trans-1,1-disubstituted-2,6-diarylcyclohexane-4-ones from dibenzalacetone and malononitril with trans-1,2-diaminocyclohexane as catalyst. The substrate 1,5-diaryl-1,4-pentadien-3-ones and active methylene compounds proceeded to give the products with good to excellent yield within a short time.
