Chiral bicyclic phosphoramidites—A new class of ligands for asymmetric catalysis
O Huttenloch, J Spieler…
Index: Spieler, Jan; Huttenloch, Oliver; Waldmann, Herbert European Journal of Organic Chemistry, 2000 , # 3 p. 391 - 399
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Citation Number: 65
Abstract
Abstract The development of new ligands for catalytic asymmetric C− C bond formation is of great interest to organic synthesis. We describe here a new class of chiral phosphoramidites that embody one or two binaphthol units attached to an achiral azabicyclic [3.3. 1] or [3.3. 0] framework. These ligands were easily accessible from (R)-1, 1′-binaphthyl-2, 2′- dioxaphosphorchloridite (4) and the corresponding heterobicyclic core 1, 2, or 3. They ...
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