In general, DA reactions can be classified into two types of suprafacial [π4s+ π2s]
cycloadditions:(i) the normal and (ii) inverse-electron-demand DA reactions (Scheme 1) …

Asymmetric catalysis with chiral metal complexes has received considerable attention in
recent years, and its contribution to the art of organic synthesis has become of leading …

A bis (oxazoline)(box) copper (II) complex and its hydrated counterpart (1 and 2) function as
enantioselective Lewis acid catalysts for carbocyclic and hetero Diels− Alder, aldol, Michael …

The development of methodologies for efficient asymmetric synthesis is one of the most
important areas of synthetic organic chemistry. 1 The syntheses of biologically relevant …

Method A was followed by Nishiyama 7-12 and other groups 13-16 to synthesize the
majority of the ligands reported in Table 1. Simple variants of the methods involved …

C 2-Symmetric bis (oxazolinyl) pyridine (pybox)− Cu (II) complexes have been shown to
catalyze enantioselective Mukaiyama aldol reactions between (benzyloxy) acetaldehyde …

New and highly efficient methods based on various catalytic concepts have recently been
developed for the asymmetric aldol reaction. These include new transition metal based …

Cationic aqua complexes are prepared from a trans-chelating tridentate ligand,(R, R)-4, 6-
dibenzofurandiyl-2, 2 '-bis (4-phenyloxazoline)(DBFOX/Ph), and various transition-metal (II) …

4, 5-Dihydro-1, 3-oxazole ligands (commonly known as 2-oxazolines or simply oxazolines)
have been used by many research groups as chiral auxiliaries in transition metal-catalyzed …

Many asymmetric catalytic reactions which have been used with great success only give
excellent enantioselectivity for a narrow range of substrates. A very attractive goal in …