Published February 26, 2013
| Supplemental Material
Journal Article
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Unexpected rearrangements in the synthesis of an unsymmetrical tridentate dianionic N-heterocyclic carbene
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Abstract
Starting from the same ethylenediamine species, three valuable carbene precursors were synthesized under differing conditions: a tridentate dianionic N-heterocyclic carbene bearing an aniline, a phenol and a central dihydroimidazolium salt, its benzimidazolium isomer by intramolecular rearrangement and a dicationic benzimidazolium-benzoxazolium salt by changing the Brønsted acid from HCl to HBF_4. A DFT study was performed to understand the rearrangement pathway. The structure of a bis[(NCO)carbene] zirconium complex was determined.
Additional Information
© 2013 The Royal Society of Chemistry. Received 7th December 2012. Accepted 25th February 2013. First published online 26 Feb 2013. This work was supported by a KAUST Center-In-Development Grant to King Fahd University of Petroleum and Minerals (Dhahran, Saudi Arabia) and the USDOE Office of Basic Energy Sciences (Grant no. DE-FG03-85ER13431). The Bruker KAPPA APEXII X-ray diffractometer was purchased via an NSF CRIF:MU award to the California Institute of Technology, CHE-0639094.Attached Files
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Supplemental Material - c3sc22171g.txt
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Additional details
- Eprint ID
- 38306
- Resolver ID
- CaltechAUTHORS:20130507-074545359
- King Abdullah University of Science and Technology (KAUST)
- Department of Energy (DOE)
- DE-FG03-85ER13431
- NSF
- CHE-0639094
- Created
-
2013-05-07Created from EPrint's datestamp field
- Updated
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2021-11-09Created from EPrint's last_modified field