Published June 4, 2007
| Supplemental Material
Journal Article
Open
Cyclometalated Tantalum Diphenolate Pincer Complexes: Intramolecular C−H/M−CH_3σ-Bond Metathesis May Be Faster than O−H/M−CH_3 Protonolysis
- Creators
-
Agapie, Theodor
- Bercaw, John E.
Chicago
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Abstract
A diphenol linked at the ortho positions to a benzene ring was metalated with TaCl_2(CH_3)_3. Deuterium labeling of the phenol hydrogens and of the linking 1,3-benzenediyl ring reveals an unexpected mechanism involving protonolysis of a methyl group, followed by C−H/Ta−CH_3 σ-bond metathesis, leading to cyclometalation of the linking ring and finally protonation of the cyclometalated group by the pendant phenol.
Additional Information
© 2007 American Chemical Society. Received 23 March 2007. Published online 3 May 2007. Published in print 1 June 2007. We thank Dr. Michael W. Day and Lawrence M. Henling (Caltech) for assistance with single-crystal X-ray crystallographic studies. We are grateful to the USDOE Office of Basic Energy Sciences (Grant No. DE-FG03-85ER13431) for financial support.Attached Files
Supplemental Material - om700284c-file002.pdf
Supplemental Material - om700284c-file003.cif
Supplemental Material - om700284c-file004.cif
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om700284c-file002.pdf
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Additional details
- Eprint ID
- 74962
- Resolver ID
- CaltechAUTHORS:20170309-085914464
- Department of Energy (DOE)
- DE-FG03-85ER13431
- Created
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2017-03-09Created from EPrint's datestamp field
- Updated
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2021-11-15Created from EPrint's last_modified field