The aim of this study is to investigate the possible use of a 1,2-dimethylimidazolium ionic liquid,2,2-bis((1,2-dimethylimidazolium)methyl)propane-1,3-diol hexafluorophosphate(1),as an adsorbent to selectively r...The aim of this study is to investigate the possible use of a 1,2-dimethylimidazolium ionic liquid,2,2-bis((1,2-dimethylimidazolium)methyl)propane-1,3-diol hexafluorophosphate(1),as an adsorbent to selectively remove aromatic heterocyclic sulfur compounds from model fuels.The result indicates that adsorbent 1 is insoluble in model fuels.The spent IL saturated sulfur compounds could be regenerated by a water dilution process.The influence of extraction time or temperature as well as the molar ratio of 1 to aromatic heterocyclic sulfur compound was also studied.展开更多
Copper ferrite (CuFe204) nanoparticles catalyzed room temperature multicomponent reaction of aliphatic amines, formaldehyde, arylboronic acids and alkynyl carboxylic acids was reported for the synthesis of diverse p...Copper ferrite (CuFe204) nanoparticles catalyzed room temperature multicomponent reaction of aliphatic amines, formaldehyde, arylboronic acids and alkynyl carboxylic acids was reported for the synthesis of diverse propargylamines with good to excellent yields. The catalyst can be magnetically recovered and reused at least five times without significant loss of activity.展开更多
基金National Key Technology R and D Program (No.2011BAE06B05-4)China Postdoctoral Science Foundation (No.20070410169) for financial support
文摘The aim of this study is to investigate the possible use of a 1,2-dimethylimidazolium ionic liquid,2,2-bis((1,2-dimethylimidazolium)methyl)propane-1,3-diol hexafluorophosphate(1),as an adsorbent to selectively remove aromatic heterocyclic sulfur compounds from model fuels.The result indicates that adsorbent 1 is insoluble in model fuels.The spent IL saturated sulfur compounds could be regenerated by a water dilution process.The influence of extraction time or temperature as well as the molar ratio of 1 to aromatic heterocyclic sulfur compound was also studied.
基金The financial support for this work from the National Natural Science Foundation of China(No. 21572060)Shanghai Key Laboratory of Catalysis Technology for Polyolefins(No. LCTP201301)the Fundamental Research Funds for the Central Universities
文摘Copper ferrite (CuFe204) nanoparticles catalyzed room temperature multicomponent reaction of aliphatic amines, formaldehyde, arylboronic acids and alkynyl carboxylic acids was reported for the synthesis of diverse propargylamines with good to excellent yields. The catalyst can be magnetically recovered and reused at least five times without significant loss of activity.