Macromolecules, volume 42, issue 18, pages 6992-6998
Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide
Donald J. Darensbourg
1
,
Mahmut Ulusoy
1, 2
,
Osit Karroonnirum
1
,
Ross R Poland
1
,
Joseph H. Reibenspies
1
,
B. Cetinkaya
2
1
Department of Chemistry, Texas A&M University, College Station, Texas 77843
|
Publication type: Journal Article
Publication date: 2009-08-24
Journal:
Macromolecules
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.5
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
Chromium(III) derivatives of the tetradentate phenoxyamine ligand H2salan, where salan = the N,N′-dimethylated bis(aminophenoxide) ligand or the saturated version of the corresponding salen ligand, in the presence of 1 equiv of [PPN]N3 (PPN=Ph3P═N+═PPh3) are shown to effectively catalyze the copolymerization of cyclohexene oxide and carbon dioxide. X-ray crystallographic analysis reveals the structure of the complex to be different from that of its salen analogue, with an all cis arrangement of the nitrogen and oxygen atoms. Although these catalysts are selective for copolymerizing propylene oxide and CO2 at ambient temperature with a high degree of regioselectivity, the copolymerization of cyclohexene oxide and CO2 requires higher temperatures (e.g., 60 °C). Nevertheless, the random polymerization of cyclohexene oxide and propylene oxide with CO2 at ambient temperature provides a terpolymer with a nearly statistical distribution of monomer units. In addition, these catalysts have been shown to be efficie...
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Darensbourg D. J. et al. Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide // Macromolecules. 2009. Vol. 42. No. 18. pp. 6992-6998.
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Darensbourg D. J., Ulusoy M., Karroonnirum O., Poland R. R., Reibenspies J. H., Cetinkaya B. Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide // Macromolecules. 2009. Vol. 42. No. 18. pp. 6992-6998.
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TY - JOUR
DO - 10.1021/ma901364x
UR - https://doi.org/10.1021/ma901364x
TI - Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide
T2 - Macromolecules
AU - Ulusoy, Mahmut
AU - Karroonnirum, Osit
AU - Poland, Ross R
AU - Reibenspies, Joseph H.
AU - Darensbourg, Donald J.
AU - Cetinkaya, B.
PY - 2009
DA - 2009/08/24 00:00:00
PB - American Chemical Society (ACS)
SP - 6992-6998
IS - 18
VL - 42
SN - 0024-9297
SN - 1520-5835
ER -
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@article{2009_Darensbourg,
author = {Mahmut Ulusoy and Osit Karroonnirum and Ross R Poland and Joseph H. Reibenspies and Donald J. Darensbourg and B. Cetinkaya},
title = {Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide},
journal = {Macromolecules},
year = {2009},
volume = {42},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/ma901364x},
number = {18},
pages = {6992--6998},
doi = {10.1021/ma901364x}
}
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Darensbourg, Donald J., et al. “Highly Selective and Reactive (salan)CrCl Catalyst for the Copolymerization and Block Copolymerization of Epoxides with Carbon Dioxide.” Macromolecules, vol. 42, no. 18, Aug. 2009, pp. 6992-6998. https://doi.org/10.1021/ma901364x.