Tetrahedron letters

Synthesis of diverse ethoxyformacetal oligomers. Toward libraries of metal-coordinating unnatural biopolymers

DG Hall, PG Schultz

Index: Hall, Dennis G.; Schultz, Peter G. Tetrahedron Letters, 1997 , vol. 38, # 45 p. 7825 - 7828

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Citation Number: 10

Abstract

An expedient two-step iterative protocol for the solution-phase elaboration of ethoxyformacetal oligomers is described. A set of four O, S-thioformacetal donor monomers, with diverse chiral side-chains, were coupled using NIS/TfOH activation to afford three model tetramers.