Unformatted text preview: p 1. π-Addition: Step 2. Rearrangement and hydride migration: Mechanism of the Hydrogenation
Step 3. Hydride migration: Step 4. Hydrogenation to reform the active catayst: Chiral Catalysts
Chiral binaphthyl based catalysts: 14.13
Olefin Olefin Metathesis
2005 Nobel Prize to Grubbs, Chauvin and Schrock.
First observation: Cross metathesis: Active Catalysts
Grubbs’ catalyst: Ring closing example: Mechanism of Metathesis
M represents the metal and its ligands.
Stage 1. Formation of two new complexes: Mechanism of Metathesis
tage 2. Complex A.
Addition of propylene and formation of 2-butene: Mechanism of Metathesis
tage 2. Complex B.
Addition of propene and formation of ethylene: Stage 3. Repetition of stage 2 with the complexes formed
in stage 2. Ole...
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- Fall '08
- Reaction, Homogeneous Catalytic Hydrogenation, metathesis, organocuprates, Alkene Polymerization