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Exploiting 1,2,3-Triazolium Ionic Liquids for Synthesis of Tryptanthrin and Chemoselective Extraction of Copper(II) Ions and Histidine-Containing Peptides.


ABSTRACT: Based on a common structural core of 4,5,6,7-tetrahydro[1,2,3]triazolo[1,5-a]pyridine, a number of bicyclic triazolium ionic liquids 1-3 were designed and successfully prepared. In our hands, this optimized synthesis of ionic liquids 1 and 2 requires no chromatographic separation. Also in this work, ionic liquids 1, 2 were shown to be efficient ionic solvents for fast synthesis of tryptanthrin natural product. Furthermore, a new affinity ionic liquid 3 was tailor-synthesized and displayed its effectiveness in chemoselective extraction of both Cu(II) ions and, for the first time, histidine-containing peptides.

SUBMITTER: Li HY 

PROVIDER: S-EPMC6274210 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Exploiting 1,2,3-Triazolium Ionic Liquids for Synthesis of Tryptanthrin and Chemoselective Extraction of Copper(II) Ions and Histidine-Containing Peptides.

Li Hsin-Yi HY   Chen Chien-Yuan CY   Cheng Hui-Ting HT   Chu Yen-Ho YH  

Molecules (Basel, Switzerland) 20161013 10


Based on a common structural core of 4,5,6,7-tetrahydro[1,2,3]triazolo[1,5-<i>a</i>]pyridine, a number of bicyclic triazolium ionic liquids <b>1</b>-<b>3</b> were designed and successfully prepared. In our hands, this optimized synthesis of ionic liquids <b>1</b> and <b>2</b> requires no chromatographic separation. Also in this work, ionic liquids <b>1</b>, <b>2</b> were shown to be efficient ionic solvents for fast synthesis of tryptanthrin natural product. Furthermore, a new affinity ionic liq  ...[more]

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