In this review, after a general introduction devoted to show the importance of the
role played by C
2 -symmetry chiral auxiliaries to provide high levels of stereoselection, a complete
survey of the preparation and use of optically active 1,1′-binaphthyl derivatives
as chiral auxiliaries in asymmetric synthesis is attempted. 1. Introduction 2.
Synthesis and Applications of [1,1′-binaphthyl]-2,2′-diol (1 ) and Derivatives 2.1. Synthesis 2.2. Applications 2.2.1. Enantioselective Reduction
of Prochiral Ketones 2.2.2. Enantioselective Addition of Chiral Titanium Reagents
to Aromatic Aldehydes 2.2.3. Asymmetric Diels-Alder Reactions 2.2.4. Asymmetric
Hydrogenation of Prochiral Unsaturated Acids and Esters 2.2.5. Asymmetric Alkylation
of Racemic Allylic Substrates 2.2.6. Crown Ethers Containing 1,1′-Binaphthylic Units
2.2.7. Stereoselective Polymerization 2.2.8. Asymmetric Ullmann Coupling Reactions
2.2.9. Asymmetric Alkylation of Arylacetic Acids 2.2.10. Asymmetric Cyclization
3. Synthesis and Applications of [1,1′-Binaphthyl]-2,2′-dithiol (2 ) 3.1. Synthesis 3.2. Applications 4. Synthesis and Applications of 2,2′-Bis(diarylphosphino)-1,1′-binaphthyls
(BINAPs) 4.1. Synthesis 4.2. Applications 4.2.1. Rh(I)-BINAP Complexes 4.2.1.1.
Asymmetric Hydrogenation of α-Acylaminoacrylic Acids 4.2.1.2. Asymmetric Isomerization
of Double Bonds 4.2.1.3. Asymmetric Hydroboration of Styrenes 4.2.2. Ru(II)-BINAP
Complexes 4.2.2.1. Asymmetric Hydrogenation of α,β- and β,γ-Unsaturated Acids 4.2.2.2.
Asymmetric Hydrogenation of (Z )-2-Acyl-1-benzylidene-1,2,3,4-tetrahydroisoquinolines 4.2.2.3. Asymmetric Hydrogenation
of Prochiral Allylic Alcohols 4.2.2.4. Asymmetric Hydrogenation of Chiral Allylic
Secondary Alcohols 4.2.2.5. Asymmetric Hydrogenation of Prochiral Functionalized
Ketones 4.2.2.6. Asymmetric Hydrogenation of β-Oxoesters 4.2.2.7. Asymmetric Hydrogenation
of 1,3-Diketones 4.2.3. Pd-BINAP Complexes 5. Synthesis and Applications of [1,1′-Binaphthyl]-2,2′-diamine
(4 ) and its Analogues 5.1. Synthesis 5.2. Applications 5.2.1. Enantioselective Reduction
of Ketones 5.2.2. Asymmetric Hydrogenation of Acylaminoacrylic Acids 5.2.3. Asymmetric
Synthesis of Lactones 5.2.4. Asymmetric Alkylation of Aromatic Aldehydes Mediated
by N ,N ,N ′,N ′-Tetramethyl[1,1′-binaphthyl]-2, 2′-diamine (51 ) 6. Some Other 1,1′-Binaphthyl Derivatives with C
2 -Symmetry 6.1. 1,1′-Binaphthylic Substituted Tetramethylethylenediamine 6.2. 2,2′-Bis[(diphenylphosphino)methyl]-1,1′-binaphthyl
[(S )-(-)-NAPHOS(1,1′)] 6.3. Miscellanea 7. Conclusions