Reaction of anion(phenoxo)functionalized-NHC predecessor[HO-3,5-di-C(CH3)3-C6H2-2-CH2{CH(NCHCHN)CH(CH3)2}]Cl with N-BuLi in molar ratio 1∶2 at the room temperature gives the first N-heterocyclic carbenes(NHC)benzyl m...Reaction of anion(phenoxo)functionalized-NHC predecessor[HO-3,5-di-C(CH3)3-C6H2-2-CH2{CH(NCHCHN)CH(CH3)2}]Cl with N-BuLi in molar ratio 1∶2 at the room temperature gives the first N-heterocyclic carbenes(NHC)benzyl migration product functionalized by phenoxo.The compound has been characterized by the 1HNMR and X-ray diffraction.The result show the crystal belongs to monoclinic system with a=10.8224(18),b=19.469(3),c=11.6658(18),α=90°,β=97.992(4)°,γ=90(11)°,V=2434.1(7)3,Z=2,Dc=1.109Mg/m3,μ=0.069 mm-1,F(000)=888.The reason for 1,2-benzyl migration is temperature,at the same time the mechanism of the reaction has been discussed in this article.展开更多
文摘Reaction of anion(phenoxo)functionalized-NHC predecessor[HO-3,5-di-C(CH3)3-C6H2-2-CH2{CH(NCHCHN)CH(CH3)2}]Cl with N-BuLi in molar ratio 1∶2 at the room temperature gives the first N-heterocyclic carbenes(NHC)benzyl migration product functionalized by phenoxo.The compound has been characterized by the 1HNMR and X-ray diffraction.The result show the crystal belongs to monoclinic system with a=10.8224(18),b=19.469(3),c=11.6658(18),α=90°,β=97.992(4)°,γ=90(11)°,V=2434.1(7)3,Z=2,Dc=1.109Mg/m3,μ=0.069 mm-1,F(000)=888.The reason for 1,2-benzyl migration is temperature,at the same time the mechanism of the reaction has been discussed in this article.
