Ar. Katritzky et al., Polymer-supported triazole and benzotriazole leaving groups. Three new examples and a comparison of their efficiency, J COMB CHEM, 3(2), 2001, pp. 167-170
Three polymer-supported heterocyclic (triazole 4 and benzotriazoles 2, 8) l
eaving groups are described. The loading of 8 was clearly superior to those
of 2 and 4. The efficiency of 8 was higher than those of previously report
ed benzotriazole resins 9a,b in the C-acylation of ketones.