(4S,4'S,5R,5'R)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole], 95%, (99% ee)

Technical Notes：
1.Ligand for the catalytic enantioselective conjugate addition of 1 ,3-dicarbonyl compounds to nitroalkenes.
2.L igand for the Cu-catalyzed asymmetric annulation reactions of carbenes with 2-iminyl- or 2-acyl-substituted phenols .
References:
1.J. Am. Chem. Soc. 1999, 121, 10215.
2.J. Am. Chem. Soc. 2002, 124, 13097.
3.Angew. Chem. Int. Ed. 2019, 58, 13885.