Asymmetric Cyclopropanation Reactions

Giuseppe Bartoli; Giorgio Bencivenni; Renato Dalpozzo

doi:10.1055/s-0033-1340838

Synthesis, Inhaltsverzeichnis

Synthesis 2014; 46(08): 979-1029
DOI: 10.1055/s-0033-1340838

review

Asymmetric Cyclopropanation Reactions

Giuseppe Bartoli

^aDipartimento Chimica Industriale ‘Toso Montanari’, Università di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy

,

Giorgio Bencivenni

^aDipartimento Chimica Industriale ‘Toso Montanari’, Università di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy

,

Renato Dalpozzo*

^bDipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Ponte Bucci, Cubo 12/C, 87036 Arcavacata di Rende (Cs), Italy Fax: +39(0984)493077 eMail: renato.dalpozzo@unical.it

› Institutsangaben

Abstract

Alle Artikel dieser Rubrik

Abstract

Both physical and organic chemists are interested in the cyclopropane ring, the former owing to the strain inherent to the small ring structure, the latter prompted by the importance of this ring in naturally occurring compounds. In recent years, the increasing interest in enantioselective organic synthesis has led to a large number of papers on the preparation of cyclopropane compounds in enantioenriched form. The last review on asymmetric cyclopropanation reactions is dated 2008, thus an update is necessary with critical comparison of preparations using chiral auxiliaries, chiral metal complexes and organocatalysts. The aim of this review is an overview of these topics from 2008 to mid-2013.

1 Introduction

2 Simmons–Smith Cyclopropanation

2.1 Chiral Auxiliaries

2.2 Chiral Catalysts

3 Transition-Metal-Catalyzed Decomposition of Diazoalkanes

3.1 Cobalt

3.2 Copper

3.3 Rhodium

3.4 Ruthenium

3.5 Other Metals

4 Michael-Initiated Ring Closure (MIRC)

4.1 Chiral Auxiliaries

4.2 Organocatalysis

4.3 Metal Catalysis

5 Miscellaneous

5.1 C–H Insertion

5.2 Nucleophilic Ring Closure

5.3 Cycloisomerization of 1,n-Enynes

5.4 Other Methods

6 Conclusion

7 Abbreviations

Key words

cyclization - asymmetric synthesis - metal catalysis - enantioselectivity - carbenoids

Volltext

Referenzen

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