(R)-(+)-4-Pyrrolidinopyrindinyl(pentamethylcyclopentadienyl)iron, min. 98% (R)-PPY*

Technical Notes:
1. Planar-chiral catalyst useful in a variety of enantioselective addition and cycloaddition reactions of ketenes. 2. For a review on nucleophilic catalysis using planar-chiral derivatives of DMAP, see Ref (4).
References:
1. Angew. Chem, Int. Ed.. 2007. 46, 977. 2. J. Am. Chem. Soc., 2014. 136, 8899.
3. Angew. Chem., Int. Ed.. 2008, 47, 7048. 4.Acc. Chem. Res., 2004, 37, 542.