New bis(azolylcarbonyl)pyridine chromium(III) complexes as initiators for ethylene polymerization
| dc.contributor.author | Hurtado, John | |
| dc.contributor.author | Ugarte, Javiera | |
| dc.contributor.author | Rojas, René | |
| dc.contributor.author | Valderrama, Mauricio | |
| dc.contributor.author | Carey, Desmond Mac-Leod | |
| dc.contributor.author | Muñoz-Castro, Alvaro | |
| dc.contributor.author | Arratia-Pérez, Ramiro | |
| dc.contributor.author | Fröhlich, Roland | |
| dc.date.accessioned | 2019-08-08T06:04:57Z | |
| dc.date.available | 2019-08-08T06:04:57Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | Reaction of 2,6-pyridinedicarbonyl dichloride with 3,5-dimethylpyrazole and 1H-indazole, respectively, yield the tridentate ligands 2,6-bis(3,5-dimethylpyrazol-1-ylcarbonyl)pyridine (1) and 2,6-bis(indazol-1-ylcarbonyl)pyridine (2). The molecular structure of the new compound (2) was determined by single-crystal X-ray diffraction. These ligands react with CrCl3(THF)3 in THF to form neutral complexes of general formula [CrCl3{2,6-bis(azolylcarbonyl)pyridine-N,N,N}] (3, 4) which were isolated in high yield as air stable green solids and characterized by elemental analysis, magnetic moment, IR, and mass spectroscopies. Theoretical calculations predict that the thermodynamically preferred structure of the complexes is the fac configuration. After reaction with methylaluminoxane (MAO) the chromium(III) complexes are active for the polymerization of ethylene. | en_US |
| dc.identifier.issn | 0020-1693 | |
| dc.identifier.uri | https://repositorio.usc.edu.co:8443/xmlui/handle/123456789/523 | |
| dc.language.iso | en | en_US |
| dc.publisher | Inorganica Chimica | en_US |
| dc.subject | Chromium | en_US |
| dc.subject | Ethylene polymerization | en_US |
| dc.subject | Tridentate ligands | en_US |
| dc.subject | Theoretical studies | en_US |
| dc.title | New bis(azolylcarbonyl)pyridine chromium(III) complexes as initiators for ethylene polymerization | en_US |
| dc.type | Article | en_US |
Files
Original bundle
1 - 1 of 1
No Thumbnail Available
- Name:
- New bis(azolylcarbonyl)pyridine chromium(III) complexes as initiators for ethylene polymerization.pdf
- Size:
- 672.26 KB
- Format:
- Adobe Portable Document Format
- Description:
License bundle
1 - 1 of 1
No Thumbnail Available
- Name:
- license.txt
- Size:
- 1.71 KB
- Format:
- Item-specific license agreed upon to submission
- Description: