Catalytic Regio‐ and Enantioselective [4+2] Annulation Reactions of Non‐activated Allenes by a Chiral Cationic Indium Complex

Regio‐ and enantioselective [4+2] annulation between β,γ‐unsaturated α‐keto esters and non‐activated allenes was achieved by using a chiral cationic indium(III)/phosphate catalyst. The reaction affords the corresponding C3‐selective dihydropyrans in good yields and with high enantioselectivity (up t...

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Veröffentlicht in:	Angewandte Chemie International Edition 2017-08, Vol.56 (36), p.10867-10871
Hauptverfasser:	Wang, Le, Lv, Jian, Zhang, Long, Luo, Sanzhong
Format:	Artikel
Sprache:	eng
Schlagworte:	[4+2] annulation allenes Catalysts Cations Chemical reactions chiral phosphates Enantiomers Esters homogeneous catalysis Indium Indium phosphates Organic chemistry Phosphates
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