[S(R)]-N-[(R)-[5-(Diphenylphosphino)-9,9-dimethyl-9H-xanthen-4-yl]phenylmethyl]-2-methyl-2-propanesulfinamide

[S(R)]-N-[(S)-(2-Methylphenyl)[2-(dicyclohexylphosphino)phenyl]methyl]-N,2-dimethyl-2-propanesulfinamide

CALLERY? Potassium tert-amylate