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Published March 17, 2010 | Supplemental Material
Journal Article Open

Homogeneous CO Hydrogenation: Dihydrogen Activation Involves a Frustrated Lewis Pair Instead of a Platinum Complex


During a search for conditions appropriate for Pt-catalyzed CO reduction using dihydrogen directly, metal-free conditions were discovered instead. A bulky, strong phosphazene base forms a "frustrated" Lewis pair (FLP) with a trialkylborane in the secondary coordination sphere of a rhenium carbonyl. Treatment of the FLP with dihydrogen cleanly affords multiple hydride transfers and C−C bond formation.

Additional Information

© 2010 American Chemical Society. Published In Issue: March 17, 2010; article ASAP: February 23, 2010; received: January 21, 2010. Larry Henling and Dr. Michael Day assisted with crystallography. The Bruker KAPPA APEXII X-ray diffractometer was purchased via an NSF CRIF:MU award to the California Institute of Technology (CHE-0639094). This research was generously funded by BP through the Methane Conversion Cooperative (MC2) Program and by the Moore Foundation.

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Supplemental Material - ja100574n_si_001.pdf

Supplemental Material - ja100574n_si_002.cif


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