Two new complexes[Mn(DHTA)(PLQ)]_(n)(1)and{[Co_(2)(DHTA)(phen)_(2)(H_(2)O)_(6)]·DHTA}_(n)(2)(H_(2)DHTA=2,5-dihydroxy-1,4-benzenedicarboxylic acid,PLQ=1,10-phenanthroline-5,6-quinone,phen=1,10-phenanthroline)have ...Two new complexes[Mn(DHTA)(PLQ)]_(n)(1)and{[Co_(2)(DHTA)(phen)_(2)(H_(2)O)_(6)]·DHTA}_(n)(2)(H_(2)DHTA=2,5-dihydroxy-1,4-benzenedicarboxylic acid,PLQ=1,10-phenanthroline-5,6-quinone,phen=1,10-phenanthroline)have been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,fluorescence spectrum,single-crystal and power X-ray diffraction.Complex 1 exhibits a two-dimensional(2 D)network,which was stabilized through O–H···O hydrogen bonding interactions.Complex 2 shows a zero-dimensional structure,which was further extended into a three-dimensional supramolecular structure through O–H···O hydrogen bonds andπ-πinteractions.展开更多
The formaidehyde-free finishing agent 4,5-di-hydroxy-1,3-dimethy1-2-imidazolidinone(DMeDHEU)was prepared by the reaction of 1,3-dimethylurea and glyoxal.The reaction rate and equilib-rium conversion in relation to pH ...The formaidehyde-free finishing agent 4,5-di-hydroxy-1,3-dimethy1-2-imidazolidinone(DMeDHEU)was prepared by the reaction of 1,3-dimethylurea and glyoxal.The reaction rate and equilib-rium conversion in relation to pH value,molar ratio,temperature and catalyst were studied.The conversionto DMeDHEU,catalyzed with citric acid/anhydrousNaAc,reached 95% in 6 hours at 40℃, pH 5.5 andmolar ratio 1.2.展开更多
基金supported by the Science and Technology development plan of Jilin Province(2015052006JH)
文摘Two new complexes[Mn(DHTA)(PLQ)]_(n)(1)and{[Co_(2)(DHTA)(phen)_(2)(H_(2)O)_(6)]·DHTA}_(n)(2)(H_(2)DHTA=2,5-dihydroxy-1,4-benzenedicarboxylic acid,PLQ=1,10-phenanthroline-5,6-quinone,phen=1,10-phenanthroline)have been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,fluorescence spectrum,single-crystal and power X-ray diffraction.Complex 1 exhibits a two-dimensional(2 D)network,which was stabilized through O–H···O hydrogen bonding interactions.Complex 2 shows a zero-dimensional structure,which was further extended into a three-dimensional supramolecular structure through O–H···O hydrogen bonds andπ-πinteractions.
文摘The formaidehyde-free finishing agent 4,5-di-hydroxy-1,3-dimethy1-2-imidazolidinone(DMeDHEU)was prepared by the reaction of 1,3-dimethylurea and glyoxal.The reaction rate and equilib-rium conversion in relation to pH value,molar ratio,temperature and catalyst were studied.The conversionto DMeDHEU,catalyzed with citric acid/anhydrousNaAc,reached 95% in 6 hours at 40℃, pH 5.5 andmolar ratio 1.2.
