Parallel Microwave-Assisted Synthesis of Ionic Liquids and Screening for Denitrogenation of Straight-Run Diesel Feed by Liquid-Liquid Extraction
作者:Miguel A. Ceron、Diego J. Guzman-Lucero、Jorge F. Palomeque、Rafael Martinez-Palou
DOI:10.2174/138620712800194477
日期:2012.4.1
Fifty-six ionicliquids were efficiently synthesized in parallel format under one-pot, solvent-freemicrowave-assisted synthesis. These compounds were evaluated as extracting agents of nitrogen-containing compounds from a real Diesel feed before being submitted to the hydrodesulfurization process to obtain ultralow sulfur Diesel. Our results showed that halogenated ionicliquids are an excellent alternative
The present invention is related to a process for telomerizing a conjugated diene which comprises reacting said conjugated diene with a compound containing active hydrogen in the presence of a catalyst system comprising at least one transition metal compound, at least one phosphorus-containing compound, and at least one salt which forms a liquid under the conditions of the telomerization process.
Biodegradable pyridinium ionic liquids: design, synthesis and evaluation
作者:Jitendra R. Harjani、Robert D. Singer、M. Teresa Garcia、Peter J. Scammells
DOI:10.1039/b811814k
日期:——
A range of ionic liquids (ILs) with a pyridinium cation were synthesised and their biodegradability was evaluated using the CO2 Headspace test (ISO 14593). ILs bearing an ester side chain moiety were prepared from either pyridine or nicotinic acid and showed high levels of biodegradation under aerobic conditions and can be classified as ‘readily biodegradable’. In contrast, pyridinium ILs with alkyl side chains showed significantly lower levels of biodegradability in the same test. The utility of the biodegradable IL 6c as a reaction solvent for the Diels–Alder reaction was also investigated.
A green and novel procedure for the preparation of ionic liquid
作者:Dong Fang、Jian Cheng、Kai Gong、Qun-Rong Shi、Xin-Li Zhou、Zu-Liang Liu
DOI:10.1016/j.jfluchem.2007.09.004
日期:2008.2
A green and novelprocedure is described for the preparation of a series of ionicliquid containing alkylimidazolium-based or N-alkylpyridinium-based cations and hexafluorophosphate-based or tetrafluoroborate-based anions in one-pot solvent-free conditions to give excellent yields with shortened time.
A novel method is described for the one-pot synthesis of various ionicliquids in a competitive time. By using ultrasonicirradiation, different families of nitrogen-bearing ionicliquids can be obtained in a solvent-free or in aqueous medium, which gives a greener touch to the overall process.