2015 Volume 73 Issue 9 Pages 925-931
Looking back on a quarter-century or so, what kinds of discovery have been achieved in terms of asymmetric catalysis by use of optically active nitrogen-based tridentate ligands, 2,6-bis(oxazolinyl)pyridine (Pybox) and 2,6-bis(oxazolinyl)phenyl (Phebox).