The present invention relates to a liquid composition which comprises at least one polymer and at least one ionic liquid, the cations of which are derived from polycyclic amidine bases, and a process for isolating cellulose from cellulose-containing sources using at least one such ionic liquid.
Design and synthesis of basic ionic liquids for the esterification of triterpenic acids
作者:Anna K. Ressmann、Maria Schneider、Peter Gaertner、Matthias Weil、Katharina Bica
DOI:10.1007/s00706-016-1889-1
日期:2017.1
We present the design and synthesis of Bronsted-basic ionic liquids and investigate their application in the microwave-assisted esterification of betulinic acid, aiming towards a benign and pyridine-free manufacturing process of the anti-HIV drug, bevirimat.
Ionic liquids on the basis of 2,3,4,6,7,8,9,10-octahydropyrimido-[1,2-a]azepine (1,8-diazabicyclo[5.4.0]undec-7-ene)
作者:L. L. Tolstikova、B. A. Shainyan
DOI:10.1134/s1070428006070256
日期:2006.7
New ionic liquids containing alkyl and polyfluoroalkyl substituents and various anions were synthesized from 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepinium ion (1,8-diazabicyclo[5.4.0]undec-7-en-8-ium). Their NMR spectra and miscibility with water and organic solvents were studied.