1-(4-Acetylaminophenyl)-α-bromo-1-propanone was synthesized from 1-(4-acetylaminophenyl) propanone through α-hydrogen brominating using Br2 in ethanol as bromination agent,and the yield was 70.4%.The melting poi...1-(4-Acetylaminophenyl)-α-bromo-1-propanone was synthesized from 1-(4-acetylaminophenyl) propanone through α-hydrogen brominating using Br2 in ethanol as bromination agent,and the yield was 70.4%.The melting point of the target compound was tested and the structure was confirrmed by FT-IR and MS.The route with little pollution and less loss of solvent is practically valuable.展开更多
^1H and ^13C NMR chemical shifts were determined to investigate the interactions of acetone with a room temperature ionic liquid 1-hexyl-3- methylimidazolium bromide [C6mim]Br at various mole fractions. Changes in che...^1H and ^13C NMR chemical shifts were determined to investigate the interactions of acetone with a room temperature ionic liquid 1-hexyl-3- methylimidazolium bromide [C6mim]Br at various mole fractions. Changes in chemical shifts of hydrogen nuclei and of carbon nuclei with the acetone concentration indicated the formation of hydrogen bond between anion of the ionic liquid and methyl protons of acetone. The NMR results were in good agreement with the ab initio computational results.展开更多
A synthetic process of rimantadine hydrochloride was reported.It was started from adamantane, via intermedium 1 bromoadamandine, 1 adamantane methyl ketone, then reacted with formamide and finally hydrolyzed. The cost...A synthetic process of rimantadine hydrochloride was reported.It was started from adamantane, via intermedium 1 bromoadamandine, 1 adamantane methyl ketone, then reacted with formamide and finally hydrolyzed. The cost was low and the process was simple,the overall yield being 53.8%.This procesis valuable for industrie application.展开更多
文摘1-(4-Acetylaminophenyl)-α-bromo-1-propanone was synthesized from 1-(4-acetylaminophenyl) propanone through α-hydrogen brominating using Br2 in ethanol as bromination agent,and the yield was 70.4%.The melting point of the target compound was tested and the structure was confirrmed by FT-IR and MS.The route with little pollution and less loss of solvent is practically valuable.
基金Ⅴ. ACKN0WLEDGMENTS This work was supported Science Foundation of China by the National Natural (No.20273019).
文摘^1H and ^13C NMR chemical shifts were determined to investigate the interactions of acetone with a room temperature ionic liquid 1-hexyl-3- methylimidazolium bromide [C6mim]Br at various mole fractions. Changes in chemical shifts of hydrogen nuclei and of carbon nuclei with the acetone concentration indicated the formation of hydrogen bond between anion of the ionic liquid and methyl protons of acetone. The NMR results were in good agreement with the ab initio computational results.
文摘A synthetic process of rimantadine hydrochloride was reported.It was started from adamantane, via intermedium 1 bromoadamandine, 1 adamantane methyl ketone, then reacted with formamide and finally hydrolyzed. The cost was low and the process was simple,the overall yield being 53.8%.This procesis valuable for industrie application.