Enhanced selectivity in the conversion of methanol to 2,2,3-trimethylbutane (triptane) over zinc iodide by added phosphorous or hypophosphorous acid

John E. Bercaw; Robert H. Grubbs; Nilay Hazari; Jay A. Labinger; Xingwei Li

doi:10.1039/B705470J

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Chemical Communications

Issue 28, 2007

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Enhanced selectivity in the conversion of methanol to 2,2,3-trimethylbutane (triptane) over zinc iodide by added phosphorous or hypophosphorous acid

John E. Bercaw , Robert H. Grubbs , Nilay Hazari , Jay A. Labinger and Xingwei Li

Chem. Commun., 2007, 2974-2976

DOI: 10.1039/B705470J
Received 11 Apr 2007, Accepted 06 Jun 2007
First published on the web 20 Jun 2007

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Abstract
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The yield of triptane from the reaction of methanol with zinc iodide is dramatically increased by addition of phosphorous or hypophosphorous acid, via transfer of hydride from a P–H bond to carbocationic intermediates.

Supplementary Info

Experimental details, additional tabular results, ³¹P NMR spectra, and discussion of mechanistic alternatives
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John E. Bercaw
Robert H. Grubbs
Nilay Hazari
Jay A. Labinger
Xingwei Li

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Chemical Communications

Enhanced selectivity in the conversion of methanol to 2,2,3-trimethylbutane (triptane) over zinc iodide by added phosphorous or hypophosphorous acid

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