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A series of end-capped oligomers 17, 21, 25 and 28 related to nylon 4 6, and 39,43, 47 and 50 related to nylon 6 6 have been prepared starting from adipic acid monoetbyl ester 6, the a,w-di-secondary diamines 8 and 29 and their mono end-protected derivatives 7 and 30, respectively, using the reactions of polypeptide chemistry. The formation of N-protected secondary amide bonds bearing the N-p-methoxybenzyl group ensured the solubility of all intermediates in common organic solvents and enabled purification by chromatography; boiling trifluoroacetic acid removed the protecting group in the final stage of the synthesis.

Посилання на статтю:

The synthesis of oligomers related to nylon 4 6 and nylon 6 6 / Gerald M. Brookeal, S. Mohammed, Mark C. Whiting // Polymer. – 1999. – N 40. – P. 773–788.

The synthesis of oligomers related to nylon 4 6 and nylon 6 6 - Завантажити.