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Harnessing the Dual Properties of Thiol‐Grafted Cellulose Paper for Click Reactions: A Powerful Reducing Agent and Adsorbent for Cu
Author(s) -
RullBarrull Jordi,
d'Halluin Martin,
Le Grognec Erwan,
Felpin FrançoisXavier
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201606760
Subject(s) - cellulose , copper , thiol , adsorption , chemistry , click chemistry , filtration (mathematics) , combinatorial chemistry , reducing agent , organic chemistry , polymer chemistry , chemical engineering , engineering , statistics , mathematics
A new approach exploiting the dual properties of thiol‐grafted cellulose paper for promoting copper‐catalyzed [3+2]‐cycloadditions of organic azides with alkynes and adsorbing residual copper species in solution was developed. The thiol‐grafted cellulose paper, used as a paper strip, effects the reduction of Cu II to catalytically active Cu I and acts as a powerful adsorbent for copper, thereby facilitating the work‐up process and leaving the crude mixture almost free of copper residues after a single filtration.
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