Sunday, June 24, 2012

Facile Synthesis of Functionalized Lactones and Organocatalytic Ring-Opening Polymerization

Hyunuk Kim, Johan V. Olsson, James L. Hedrick, and Robert M. Waymouth

An alpha-beta unsaturated valerolactone was functionalized with conjugate addition of a thiol.  Ring opening polymerization led to functionalized polyesters, but these substituted monomers underwent slower polymerization than the unfunctionalized. The group also showed copolymerization of functionalized valerolactone with caprolactone.

Abstract Image

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