On May 18, 2022, Ueda, Yuki; Eguchi, Ayano; Tokunaga, Kohei; Kikuchi, Kei; Sugita, Tsuyoshi; Okamura, Hiroyuki; Naganawa, Hirochika published an article.Synthetic Route of 5036-48-6 The title of the article was Urea-Introduced Ionic Liquid for the Effective Extraction of Pt(IV) and Pd(II) Ions. And the article contained the following:
A urea-introduced imidazolium-based ionic liquid (IL), 1-butyl-3-{3-(3-methyl-2H-imidazol-1-yl)propyl}urea bis(trifluoromethylsulfonyl)imide (L1), whose selectivity to Pt(IV) and Pd(II) was changed only by a pH region, was synthesized, and its Pt(IV) and Pd(II) extraction behaviors were investigated. In the conventional organic extraction system, an organic extractant with a urea group, 1-butyl-3-(2-ethylhexyl)urea, in isooctane extracted Pt(IV) and Pd(II) in a similar pH range, the extraction equilibrium half-time (t1/2) of Pd(II) was 8.95 h. In contrast, in the IL extraction system, Pt(IV) and Pd(II) were extracted in the lower and higher pH regions, resp., indicating the mutual separation of Pt(IV) and Pd(II) by pH-change. Furthermore, the extraction equilibrium t1/2 of Pd(II) with the IL extraction system was 0.18 h. UV-visible and extended X-ray absorption fine structure spectroscopies of Pt(IV) and Pd(II) after extraction using the IL were conducted to determine the extraction mechanism. As a result, Pt(IV) was extracted as [PtCl6]2- via anion-exchange (outer-sphere complex). On the other hand, Pd(II) was extracted via a mixed reaction of ligand-exchange (inner-sphere complex) and anion-exchange. Finally, the IL extraction system did not produce a third phase even when loaded with a high concentration of Pt(IV). The experimental process involved the reaction of N-(3-Aminopropyl)-imidazole(cas: 5036-48-6).Synthetic Route of 5036-48-6
The Article related to urea introduced ionic liquid extraction platinum palladium ion, Phase Equilibriums, Chemical Equilibriums, and Solutions: Partition, Extraction and other aspects.Synthetic Route of 5036-48-6
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem