Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 4, Issue 3, Pages 412-419Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7qi00013h
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Funding
- National Science Foundation of the USA [CHE 1057743]
- Robert A. Welch Foundation of Texas [A-0923]
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This minireview's primary focus is to review recent studies from my research program on the development of one-pot, two-step processes for the synthesis of di- and tri-block polymers. In all of these prepared polymeric materials at least one component is a polycarbonate derived from the copolymerization of CO2 and epoxides. Synthetic methodology for the preparation of polycarbonate diols of well-defined molecular weights with narrow polydispersities are presented using (salen) CoX/onium salt catalyst systems. These polyols were subsequently utilized in the synthesis of di-and tri- block polylactide/polycarbonate or polyphosphoester/polycarbonate polymers employing organocatalysts. In addition, the introduction of these polyols to a second epoxide/CO2 copolymerization process provided block polycarbonate materials. Of particular interest, the first or second epoxide monomer incorporated into the copolymer can possess vinyl groups for postpolymerization modification by thiol-ene chemistry. These degradable polymeric materials have significant potential for use in biomedical applications.
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