(R)-N,N-Dimethyl-1-[(S)-1,2-bis(diphenylphosphino)ferrocenyl]ethylamine; (-)-(R)-N,N-dimethyl-1-((S)-1,2-bis-*(diphenyl-; 1,2,3,4,5-cyclopentanepentayl, 1-[(1R)-1-(dimethylamino)ethyl]-2-(diphenylphosphino)-, compd. with 1-(diphenylphosphino)-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1); (R)-(S)-Bppfa