Carboxyl‐containing polyesters and polyurethanes from dibenzyl L‐tartrate

Abstract

SynopsisWe have prepared polyesters from succinyl chloride, adipoyl chloride, and telephthaloyl chloride with dibenzyl L-tartrate, polyurethanes from hexamethylene diisocyanate, toluene 2,4-diisocyanate, and methylene-bis(4-phenyl isocyanate) with dibenzyl L-tartrate. The molecular weights of these polymers were generally low except for one of the polyurethanes. These polymers were reduced to give those having carboxyl side groups. Potency for inducing interferon was tested for one of the polymers. The result was not encouraging in showing low activity.

Synthesis, Physicochemical Characterization, and Applications of Polyurethane Ionomers: A Review

“…They synthesized a series of diols containing sulfonic [45][46][47][48][49][50][51][52] and phosphoric acid [53][54][55] and used them as chain extenders with PU prepolymers to get anionomers. Similarly, anionomers containing carboxylate groups were prepared and studied by various groups [56][57][58][59][60][61][62][63][64][65][66][67][68][69]. Ionic diols containing sodium sulfonate groups have been prepared by the reaction of various diols with maleic anhydride and subsequent addition of sodium bisulfite across the unsaturated site.…”

Biodegradable polymers based on renewable resources. IX. Synthesis and degradation behavior of polycarbonates based on 1,4:3,6‐dianhydrohexitols and tartaric acid derivatives with pendant functional groups

“…Since the investi-gations of tartaric acid-based polyamides by Ogata et al 39 in the 1970s, various classes of polymers containing tartaric acid have been reported. Kuramoto et al 40 synthesized polyesters or polyurethanes having pendant carboxyl groups by polycondensation of dibenzyl L-tartrate with dicarboxylic chlorides or diisocyanates, respectively. Muñ oz-Guerra et al [41][42][43] reported the synthesis of a series of stereoregular polyamides and poly(ester amide)s derived from tartaric acid, and their hydrolytic degradability.…”

Polyurethane ionomers based on amino ethers of ortho-phosphoric acid

“…Therefore, growing attention has been paid to the synthesis of polyurethane ionomers. [30][31][32][33][34][35][36][37][38][39][40][41][42][43][44] Polyols bearing ionic or ionizable functions are particularly useful as reactive components for the synthesis of self emulsifying functionalized so polyurethane segments. 45,46 On the basis of triethanolamine, boric acid and polyoxyethyleneglycols, hyperbranched ethers of boric acid used as the basic compounds for the preparation of polyurethanes of ionomeric nature were obtained.…”