propylene oxide

Jun 15, 1987 - lymerization of racemic 0-butyrolactone: Leborgne, A.; Spas- sky, N.; Sigwalt, P. ... the closed association model,1 resembling thus th...
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Macromolecules 1987,20, 3089-3091

commercial sources.24 Although the synthetic copolyesters are highly crystalline, they are not optically active and the low yield of stereoregular material (