Synonyms: Phosphine,[[(4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene)]bis[diphenyl-(9CI);(+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane;(+)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane;(+)-DIOP;(4S,5S)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane;(S)-DIOP;(S,S)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane;(S,S)-DIOP;DIOP, (+)-;[[(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene)]bis[diphenylphosphine];