Chemistry Reference
In-Depth Information
6
The Enantioselective
Pauson-Khand Reaction
Agust´ıLledo, Xavier Verdaguer and Antoni Riera
6.1 Introduction
148
6.2 Mechanistic Considerations. Topology of Alkyne-Dicobalt Clusters
148
6.3 Intrinsically Chiral Dicobalt Clusters
150
6.3.1 Resolution of Monophosphine Complexes
150
6.3.2 Synthesis of Chiral Monophosphine Complexes Using Chiral
N
-Oxides
151
6.3.3 Heterobimetallic Complexes
151
6.4 Chiral Promoters
153
6.4.1 Sulfoxides
153
6.4.2 Chiral
N
-Oxides
153
6.5 Chiral Ligands
155
6.5.1 Sulfides
155
6.5.2 Cyclopentadienes (Heterobimetallic)
156
6.5.3 C-Chiral and Axially Chiral Phosphines
156
6.5.4
C
2
-Symmetric Bridging Bis-phosphines
161
6.5.5 C-Chiral Bidentate (P,S) Ligands
162
6.5.6 S-Chiral Bidentate (P,S) Ligands
167
6.6 Synthetic Applications
171
6.7 Conclusion
176
References
176
