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Cyclic oligoamides and alternating oligo(amide±ester)s have been prepared by a novel polymer supported method in yields ranging from 28±48%. In the case of the synthesis of cyclic oligo(undecanamide±undecanoate)s the cyclics obtained ranged in size up to ones having at least 288 ring atoms. The polymer beads recovered at the end of the syntheses contained material accounting for 25±48% of the bound starting monomers. The nature of this material is unclear but a significant fraction may be large cyclics wrapped round the network. Experiments to clarify this last point are in hand.

Посилання на статтю:

Polymer-supported syntheses of some cyclic oligoamides and some cyclic alternating oligo(amide±ester)s / Philip Hodge, Puping Peng // Polymer. – 1999. – N 40. – P. 1871–1879.

Polymer-supported syntheses of some cyclic oligoamides and some cyclic alternating oligo(amide±ester)s - Завантажити.