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J Am Chem Soc. 2004 Sep 22;126(37):11404-5.

Alternating copolymerization of limonene oxide and carbon dioxide.

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1
Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY 14853, USA.

Abstract

The alternating copolymerization of (R)- or (S)-limonene oxide and CO2 using beta-diiminate zinc acetate catalysts is reported. At 100 psi CO2 and 25 degrees C, the catalyst exhibits a high selectivity for the trans isomer and produces regioregular polycarbonate. The copolymer contains >99% carbonate linkages, a narrow molecular weight distribution, and an Mn value consistent with the [epoxide]/[Zn] ratio.

PMID:
15366863
DOI:
10.1021/ja0472580
[Indexed for MEDLINE]
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