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Self-immolative base-mediated conjugate release from triazolylmethylcarbamates†
Christopher A. Blencowe,David W. Thornthwaite,Wayne Hayes,Andrew T. Russell
Organic & Biomolecular Chemistry Pub Date : 07/09/2015 00:00:00 , DOI:10.1039/C5OB00984G
Abstract

A range of carbamate functionalized 1,4-disubstituted triazoles featuring a base sensitive trigger residue, plus a model aromatic amine reporter group, were prepared via copper(I) catalysed azide–alkyne cycloaddition and evaluated for their self-immolative characteristics. This study revealed a clear structure–reactivity relationship, via Hammett analysis, between the structure of the 1,4-disubstituted triazole and the rate of self-immolative release of the amine reporter group, thus demonstrating that under basic conditions this type of triazole derivative has the potential to be employed in a range of chemical release systems.

Graphical abstract: Self-immolative base-mediated conjugate release from triazolylmethylcarbamates
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