(4S,4'S)-2,2'-Cyclopropylidenebis[4-tert-butyl-4,5-dihydrooxazole], 95%

Technical Notes:
1. Ligand for the highly enantioselective Cu-catalyzed Friedel-Crafts alkylations of pyrroles and indoles with a'- hydroxy enones
2.Ligand used in L ewis acid catalyzed Aldol re actions to generate optically active pyridine derivatives from prochiral pyridine- N-oxides.
3.Ligand used in Cu-catalyzed tandem Nazarov cyclizationWagner-Meerwein rearrangement to synthesize Enokipodin B.
4.Ligand used in enantioselective Cu-catalyzed oxy-alkynylation of diazo compounds .
5.Ligand used in Cu-catalyzed oxyvinylation of diazo com pounds.