Marx, Vanessa M. and Melaimi, Mohand and Grubbs, Robert H. and Bertrand, Guy (2013) Asymmetric cyclic alkyl amino carbene (CAAC) ruthenium complexes as improved catalysts for ethenolysis. In: 245th ACS National Meeting & Exposition, Abstracts of Papers, April 7-11, 2013, New Orleans, LA. https://resolver.caltech.edu/CaltechAUTHORS:20130716-130219772
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Abstract
Ethenolysis, the cross metathesis reaction of an internal olefin with ethylene to generate two terminal olefin products, has long been proposed as a method for the rapid prodn. of commodity, value-added products from inexpensive, readily-available seed oil derivs. For application to commodity chems., the TON should be at least 50,000. Prior to this report, such a catalyst system had yet to be developed. Herein, we disclose ruthenium complexes of cyclic alkyl amino carbene (CAAC) ligands bearing asym. ortho substitution on the N-aryl ring, as potentially viable catalyst systems for ethenolysis reactions on an industrial scale. In the ethenolysis of Me oleate, these catalyst systems exhibit TONs > 100,000 and >90% selectivity for terminal olefins, at a loading of 3 ppm. Mechanistic investigations probing this remarkable activity are ongoing, and will also be presented in detail.
Item Type: | Conference or Workshop Item (Paper) | ||||||
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Additional Information: | © 2013 American Chemical Society. | ||||||
Record Number: | CaltechAUTHORS:20130716-130219772 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130716-130219772 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 39392 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 12 Aug 2013 22:52 | ||||||
Last Modified: | 03 Oct 2019 05:06 |
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