Cobalt-Catalysed Bond Formation Reactions; Part 2

Dedicated to Paul Knochel on the occasion of his 60^th birthday.

Abstract

This review summarises the cobalt-catalysed reactions of the years 2008 through 2014. Covered are addition reactions, such as the hydrogenation of double bonds, the addition of C–H bonds to double and triple bonds, C–H activation reactions, cobalt-catalysed cross-coupling reactions and selected additions of H–B and H–Si bonds to unsaturated starting materials. The cobalt-catalysed cycloadditions range from cyclopropanations, [2+2], Pauson–Khand reactions, [2+2+2], [4+2], [6+2] cycloadditions as well as benzannulations. Also covered are Nicholas reactions, cobalt-catalysed Jacobsen’s kinetic resolution of epoxides as well as selected miscellaneous cobalt-catalysed processes mainly for carbon–carbon bond formations.

1 Introduction

2 Addition Reactions

3 Homo- and Cross-Coupling Reactions

4 Jacobsen Kinetic Resolution of Epoxides

5 Nicholas Reactions

6 Cycloaddition Reactions

7 Miscellaneous

8 Conclusion

Key words

addition - homogeneous catalysis - cobalt - coupling - cycloaddition - kinetic resolution - reduction

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