alkane metathesis



Alkane metathesis is a class of chemical reaction in which an alkane is rearranged to give a longer or shorter alkane product. It is similar to olefin metathesis, except that olefin metathesis cleaves and recreates a carbon-carbon double bond, but alkane methathesis operates on a carbon-carbon single bond.
15.05.2012 -
We report the development of highly productive, well-defined, tandem catalytic systems for the metathesis of n-alkanes. Each system comprises one molecular catalyst (a “pincer”-ligated iridium complex) that effects alkane dehydrogenation and olefin hydrogenation, plus a second catalyst (molecular or solid-phase) for
15.05.2012 -
29.08.2006 -
In 2006 we reported a system for alkane metathesis based on tandem transfer-hydrogenation and olefin metathesis.¹ Since then we have made progress on and continue to move toward a commercially viable alkane metathesis system by improving catalyst selectivity, stability, and rates, as well as demonstrating robust
Alkane Metathesis via Tandem Catalysis. Zheng Huang. A dissertation submitted to the faculty of the University of North Carolina at Chapel Hill in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the. Department of Chemistry. Chapel Hill. 2009. Approved by: Advisor: Professor M. S. Brookhart.
Organoiridium complexes catalyze the dehydrogenation of alkanes and alkyl groups, a transformation with tremendous potential applicability. For example, alkane dehydrogenation in tandem with olefin metathesis results in alkane metathesis. This process may be applicable to Fischer-Tropsch product mixtures, to increase
WH 42% 41% 3% 5% Scheme 2.9 Alkane metathesis of 2-methylpropane. [WHx/Al2O3] was able to transform branched alkanes into alkane metathesis products: 2-methylpropane was converted into 2,3-dimethylbutane (42%), ethane (41%), and 2-methylpropene (3%) [33] (Scheme 2.9). As the starting alkane was not a
WH 42% 41% 3% 5% Scheme 2.9 Alkane metathesis of 2-methylpropane. [WHx/Al2O3] was able to transform branched alkanes into alkane metathesis products: 2-methylpropane was converted into 2,3-dimethylbutane (42%), ethane (41%), and 2-methylpropene (3%) [33] (Scheme 2.9). As the starting alkane was not a

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