1. Two Rh(I)-phosphine catalysts for olefin hydrogenation, Wilkinson's catalyst and a Schrock-Osborn catalyst, are shown below. They are known to operate by different mechanisms. PF6 Ph;P., RhPPha 'PPH3 Ph2 „P Rh Ph2 Wilkinson Schrock-Osborn 5-hexene-2-one (a) For each catalyst, give the mechanism for hydrogenation of 5-hexene-2-one. Please name each elementary step (e.g. oxidative addition, migratory insertion, dissociation, etc.).

1. Two Rh(I)-phosphine catalysts for olefin hydrogenation, Wilkinson's catalyst and a Schrock-Osborn catalyst, are shown below. They are known to operate by different mechanisms. PF6 Ph;P., RhPPha 'PPH3 Ph2 „P Rh Ph2 Wilkinson Schrock-Osborn 5-hexene-2-one (a) For each catalyst, give the mechanism for hydrogenation of 5-hexene-2-one. Please name each elementary step (e.g. oxidative addition, migratory insertion, dissociation, etc.).

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter24: Catalytic Carbon-carbon Bond Formation

Section: Chapter Questions

Problem 24.36P

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