1,2,3,4,5-cyclopentanepentayl, compd. with 1-[bis[3,5-bis(tr...;(s,s)-1-{bis[3,5-bis(trifluoroMethyl)phenyl]phosphino}-2-[1-(dicyclohe;(S)-1-{(R)-2-[BIS[3,5-BIS(TRIFLUOROMETHYL)PHENYL]PHOSPHINO]-FERROCENYL}ETHYLDICY;(S)-1-{(S)-2-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]-ferrocenyl}ethyldicyclohexylphosphine;(S)-1-[(R)-2-Di-(3,5-bis(trifluoromethyl)phenyl-phosphino)ferrocenyl]-ethyl-dicyclohexylphosphine;(S)-1-{(RP)-2-[Bis[3,5-bis(trifluoroMethyl)phenyl]phosphino]-ferrocenyl}ethyldicyclohexylphosphine;(S)-(+)-1-{(R)-2-[Bis(3,5-di-trifluoromethylphenyl)phosphino]ferrocenyl}ethyldicyclohexylphosphine;(S)-1-[(Rp)-2-2-Bis[3,5-bis(trifluoromethyl)phenyl phosphino]ferrocenyl]ethyldicyclohexylphosphine;(S)-(+)-1-{(Rp)-2-[Bis(3,5-di-trifluoromethylphenyl)phosphino]ferrocenyl}ethyldicyclohexylphosphine;(1S)-1-[Bis[3,5-bis(trifluoromethyl)phenyl]phosphino]-2-[(1S)-1-(dicyclohexylphosphino)ethyl]ferrocene