Reaction of the β diketimine compound (2,6 Me 2C 6H 3)NC(Me)CHC(Me)N(C 6H 3 2,6 Me 2)H (LH,1) with 1 equiv of n BuLi/hexane in THF,followed by crystallization from toluene,affords the β diketiminate lithium complex ...Reaction of the β diketimine compound (2,6 Me 2C 6H 3)NC(Me)CHC(Me)N(C 6H 3 2,6 Me 2)H (LH,1) with 1 equiv of n BuLi/hexane in THF,followed by crystallization from toluene,affords the β diketiminate lithium complex LLi(THF)(2)in high yields.The crystal structure of complex 2 was determined by X ray diffraction method.It crystallizes in monoclinic,space group P 2/(1)/ n with a =1 4036(5), b =1 3261(4), c =1 4248(5)nm, β =115 437(6)°, V =2 3950(13)nm 3,and D c =1 066Mg·m -3 for Z =4.In the structure,the metallacycle is almost fully planar,and the Li atom is coordinated by two nitrogen atoms of the β diketiminate ligand and one oxygen atom of THF molecule.展开更多
The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The str...The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.展开更多
文摘Reaction of the β diketimine compound (2,6 Me 2C 6H 3)NC(Me)CHC(Me)N(C 6H 3 2,6 Me 2)H (LH,1) with 1 equiv of n BuLi/hexane in THF,followed by crystallization from toluene,affords the β diketiminate lithium complex LLi(THF)(2)in high yields.The crystal structure of complex 2 was determined by X ray diffraction method.It crystallizes in monoclinic,space group P 2/(1)/ n with a =1 4036(5), b =1 3261(4), c =1 4248(5)nm, β =115 437(6)°, V =2 3950(13)nm 3,and D c =1 066Mg·m -3 for Z =4.In the structure,the metallacycle is almost fully planar,and the Li atom is coordinated by two nitrogen atoms of the β diketiminate ligand and one oxygen atom of THF molecule.
文摘The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.