(R)-N-((R)-(3,5-Di-tert-butyl-4-methoxyphenyl)(5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methyl)-2-methylpropane-2-sulfinamide

(R)-N-((S)-2-(Diphenylphosphanyl)-1-(2-(diphenylphosphanyl)-4,5-dimethoxyphenyl)ethyl)-2-methylpropane-2-sulfinamide

(R)-N-((R)-(2-(Dicyclohexylphosphino)phenyl)(phenyl)methyl)-2-methylpropane-2-sulfinamide

(R)-N-((S)-2-(Diphenylphosphino)-1-phenylethyl)-N,2-dimethylpropane-2-sulfinamide

(R)-N-((S)-(2-(Di-tert-butylphosphino)phenyl)(phenyl)methyl)-2-methylpropane-2-sulfinamide

(S)-N-(2-(Diphenylphosphanyl)-1-(2-(diphenylphosphanyl)phenyl)ethyl)-3,5-bis(trifluoromethyl)benzamide

(R)-N-((S)-1-(5-(Diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)ethyl)-2-methylpropane-2-sulfinamide

(R)-N-((R)-(2-(Di-tert-butylphosphino)phenyl)(phenyl)methyl)-2-methylpropane-2-sulfinamide

(R)-N-((R)-(2-(Di(adamantan-1-yl)phosphino)phenyl)(phenyl)methyl)-2-methylpropane-2-sulfinamide

(R)-N-((S)-(2-(Di(adamantan-1-yl)phosphino)phenyl)(phenyl)methyl)-2-methylpropane-2-sulfinamide