(+)-2,6-Bis[(4R)-4-(i-propyl)-2-oxazolin-2-yl]pyridine, 98+% (R)-(i-Pr)-pybox

Technical Note:
1. L igand for enantioselective nitrone cycloaddition to a, ß-unsaturated 2-acyl imidazoles.
2.Highly efficient catalytic enantioselective Mannich reaction of malonates with N-tert-butoxycarbonyl imines .
References:
1.Org. L ett., 2006, 8 (15), 3351- 3354
2.Chem-Eur.J., 2013, 19, 10142.