期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 14, 期 30, 页码 9286-9291出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200801168
关键词
click chemistry; cycloaddition; diazo compounds; electrochemistry; surface chemistry
The electrochemical reduction of phenylazide or phenylacetylene diazonium salts leads to the grafting of azido or ethynyl groups onto the surface of carbon electrodes. In the presence of copper(l) catalyst, these azide- or alkyne-modified surfaces react efficiently and rapidly with compounds bearing an acetylene or azide function, thus forming a covalent 1,2,3-triazole linkage by means of click chemistry. This was illustrated with the surface coupling of ferrocenes functionalized with an ethynyl or azido group and the biomolecule biotin terminated by an acetylene group.
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