4.4 Article

Copolymerization of propylene oxide and 13CO2 to afford completely alternating regioregular 13C-labeled Poly(propylene carbonate)

Journal

POLYMER JOURNAL
Volume 53, Issue 1, Pages 215-218

Publisher

SPRINGERNATURE
DOI: 10.1038/s41428-020-0391-0

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Funding

  1. National Science Foundation [CHE-1665258]
  2. Robert A. Welch Foundation [A-0923]

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The synthesis of poly(propylene carbonate) with 100% C-13-labeled carbonate carbons has been reported, where the nu(CO3) vibration is lowered by 45 cm(-1), allowing for the observation of nu(NO) stretching motions in incorporated dinitrosyl iron complexes.
The synthesis of poly(propylene carbonate) with 100% C-13-labeled carbonate carbons is reported. The nu(CO3) vibration is shifted 45 cm(-1) lower than that observed in its C-12 analog. This lowering of the nu(CO3) vibrational mode of the copolymer provides a window for observing nu(NO) stretching motions in incorporated dinitrosyl iron complexes.

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