Eight new 3alkoxy6(4methylphenyl)pyridazines which contain a benzene ring,an alkoxyl group of different length were synthesized through the crosscoupling reaction of 3halo6alkoxypyridazines with 4met...Eight new 3alkoxy6(4methylphenyl)pyridazines which contain a benzene ring,an alkoxyl group of different length were synthesized through the crosscoupling reaction of 3halo6alkoxypyridazines with 4methylphenylborate in the presence of palladium catalyst.Their mesogenic behaviors were studied through DSC and optical microscope.The length of the terminal chain can affect the transition and clearing point temperatures of the complexes,but has little influence on the temperature range of mesophases.展开更多
The condensation reaction of Fc C 6H 4 CO 2 C 6H 4 CHO with H 2N C 6H 4 OC 4H 9 has been found to give Fc C 6H 4 CO 2 C 6H 4 CH=N C 6H 4 OC 4H 9(Fc,ferrocenyl),which is a potential organometallic liquid crystal with s...The condensation reaction of Fc C 6H 4 CO 2 C 6H 4 CHO with H 2N C 6H 4 OC 4H 9 has been found to give Fc C 6H 4 CO 2 C 6H 4 CH=N C 6H 4 OC 4H 9(Fc,ferrocenyl),which is a potential organometallic liquid crystal with single crystal structure.It crystallized as triclinic crystal system,P1 space material group,a=1.2074(2)nm,b=1.23790(10)nm,c=2.0825(4)nm,α=77.980(10)°,β=85.580(10)°=66.430(10)°,Z=5,V=2.7903(7)nm 3,Dc=1.327mg/m 3,F(000)=1168,9785 independent reflections,R=0.0460,wR=0.1063.展开更多
The new N,N’-bis(squaryl)-3,6-pyridazine bis(methylamine) had been synthesized by the reaction 3,6-diformylpyridazine with 2-amino-1-propanol,2-(aminomethyl)phenol and squaric acid.The new compounds was confirmed by ...The new N,N’-bis(squaryl)-3,6-pyridazine bis(methylamine) had been synthesized by the reaction 3,6-diformylpyridazine with 2-amino-1-propanol,2-(aminomethyl)phenol and squaric acid.The new compounds was confirmed by Infrared spectra,1H NMR and element analysis.The effect of metal ions on fluorescence characterization of the compound was investigated.The selective interaction between metal ions(Cu2+,Ni2+) and the compound led to obvious fluorescence quenching.展开更多
文摘Eight new 3alkoxy6(4methylphenyl)pyridazines which contain a benzene ring,an alkoxyl group of different length were synthesized through the crosscoupling reaction of 3halo6alkoxypyridazines with 4methylphenylborate in the presence of palladium catalyst.Their mesogenic behaviors were studied through DSC and optical microscope.The length of the terminal chain can affect the transition and clearing point temperatures of the complexes,but has little influence on the temperature range of mesophases.
文摘The condensation reaction of Fc C 6H 4 CO 2 C 6H 4 CHO with H 2N C 6H 4 OC 4H 9 has been found to give Fc C 6H 4 CO 2 C 6H 4 CH=N C 6H 4 OC 4H 9(Fc,ferrocenyl),which is a potential organometallic liquid crystal with single crystal structure.It crystallized as triclinic crystal system,P1 space material group,a=1.2074(2)nm,b=1.23790(10)nm,c=2.0825(4)nm,α=77.980(10)°,β=85.580(10)°=66.430(10)°,Z=5,V=2.7903(7)nm 3,Dc=1.327mg/m 3,F(000)=1168,9785 independent reflections,R=0.0460,wR=0.1063.
文摘The new N,N’-bis(squaryl)-3,6-pyridazine bis(methylamine) had been synthesized by the reaction 3,6-diformylpyridazine with 2-amino-1-propanol,2-(aminomethyl)phenol and squaric acid.The new compounds was confirmed by Infrared spectra,1H NMR and element analysis.The effect of metal ions on fluorescence characterization of the compound was investigated.The selective interaction between metal ions(Cu2+,Ni2+) and the compound led to obvious fluorescence quenching.
