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

[S(R)]-N-[(S)-[2-(Dicyclohexylphosphanyl)phenyl](4-(tert-butyl)phenyl)methyl]-N,2-dimethyl-2-propanesulfinamide

[S(R)]-N-((R)-(2-(Dicyclohexylphosphino)phenyl)(2,4,6-triisopropylphenyl)methyl)-N,2-dimethyl-2-propanesulfinamide

CALLERY? Potassium tert-amylate