JOSIPHOS SL-J009-1; (R,R)-1-[1-(DI-TERT-BUTYLPHOSPHINO)ETHYL]-2-(DICYCLOHEXYLPHOSPHINO)FERROCENE; (R)-1-[(S)-2-(DICYCLOHEXYLPHOSPHINO)FERROCENYL]ETHYLDI-TERT-BUTYLPHOSPHINE; (r,r)-1-[1-(di-tert-butylphosphino)ethyl]-2-(dicyclohexylphosphino)ferrocene (acc to cas); (R)-(-)-1-[(S)-2-(Dicyclohexylphosphino)ferrocenyl] ethyldi-t-butylphosphine; (R)-1-[(S)-2-(Dicyclohexylphosphino)ferrocenyl]ethyli-tert-butylphosphine; 1,2,3,4,5-cyclopentanepentayl, compd. with 1-[(1S)-1-[bis(1,1-dimethylethyl)phosphino]ethyl]-2-(dicyclohexylphosphino)-1,2,3,4,5-cyclopentanepentayl, iron salt (1:1:1)