In this paper,9,10-bis（benzenemethylene-sulfurmethylene）anthracene derived from the starting material anthracene was synthesized and characterized by IR,1H NMR.The result of molecular recogntion test showed that thi...In this paper,9,10-bis（benzenemethylene-sulfurmethylene）anthracene derived from the starting material anthracene was synthesized and characterized by IR,1H NMR.The result of molecular recogntion test showed that this host molecule had strong complexation to Cu2+.The mechanism of recognition was discussed.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
The synthesis of new chromogenic p(o,m,pcarboxylazo)Calixarenes derivatives through the couping of diazotized o,m,paminobenzene carboxylic acid and calixarenes was described.Their structures were comfirmed by IR...The synthesis of new chromogenic p(o,m,pcarboxylazo)Calixarenes derivatives through the couping of diazotized o,m,paminobenzene carboxylic acid and calixarenes was described.Their structures were comfirmed by IR,1H NMR and elemental analysis.Their chromogenic properties and UVVis absorption spectra were investigated under different pH conditions.Experimental results show that the synthesized derivatives can be used as new indicators and host展开更多
文摘In this paper,9,10-bis（benzenemethylene-sulfurmethylene）anthracene derived from the starting material anthracene was synthesized and characterized by IR,1H NMR.The result of molecular recogntion test showed that this host molecule had strong complexation to Cu2+.The mechanism of recognition was discussed.
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.
文摘The synthesis of new chromogenic p(o,m,pcarboxylazo)Calixarenes derivatives through the couping of diazotized o,m,paminobenzene carboxylic acid and calixarenes was described.Their structures were comfirmed by IR,1H NMR and elemental analysis.Their chromogenic properties and UVVis absorption spectra were investigated under different pH conditions.Experimental results show that the synthesized derivatives can be used as new indicators and host
