Tetrahedron. 2017 Jul 20;73(29):4206-4213. doi: 10.1016/j.tet.2016.11.016. Epub 2016 Nov 05.
Tetrahedron
Pravin C Patil, Frederick A Luzzio
PMID: 28943665 PMCID: PMC5603183 DOI: 10.1016/j.tet.2016.11.016
The synthesis and utilization of all carbon-chain 'carbocontiguous' azidoalkynyl precursors for an intramolecular click reaction is described. The substrates contain both azidoalkyl and ethynylmethyl groups which are conjoined by a 2-(phenylsulfonylmethyl)-4,5-diphenyloxazole lynchpin and are suitably disposed for ring closure. On promotion by copper salts, a number of cyclic click products having the 1,4-disubstituted
Keywords: 1,2,3-triazole; click chemistry; cyclic carbohydrates; cyclic peptides; dipolar cycloaddition