CoPc complexes were supported on the acid alumina using in-situ method.The resulting compounds were characterized by DTA-TGA thermal analysis,ICP,solid-state infrared,and Ultraviolet/visible spectroscopy,and tested as...CoPc complexes were supported on the acid alumina using in-situ method.The resulting compounds were characterized by DTA-TGA thermal analysis,ICP,solid-state infrared,and Ultraviolet/visible spectroscopy,and tested as catalysts for the eposidation of cyclohexene under ambient conditions using molecular dioxygen as oxidant and isobutyraldehyde as sacrificial reagent.The optimums for the reaction have been obtained.Under the conditions of time:9h,temperature:35℃,isobutyraldehyde to cyclohexene ratio:4,the weight of catalyst: 0.05g,the volume of solvent:20mL,the conversion of cyclohexene attained 73.5% and the selectivity of cyclohexene epoxide,84.1%展开更多
文摘CoPc complexes were supported on the acid alumina using in-situ method.The resulting compounds were characterized by DTA-TGA thermal analysis,ICP,solid-state infrared,and Ultraviolet/visible spectroscopy,and tested as catalysts for the eposidation of cyclohexene under ambient conditions using molecular dioxygen as oxidant and isobutyraldehyde as sacrificial reagent.The optimums for the reaction have been obtained.Under the conditions of time:9h,temperature:35℃,isobutyraldehyde to cyclohexene ratio:4,the weight of catalyst: 0.05g,the volume of solvent:20mL,the conversion of cyclohexene attained 73.5% and the selectivity of cyclohexene epoxide,84.1%
