DIOP (2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane) is an organophosphorus compound that is used as a chiral ligand in asymmetric catalysis. It is a white solid that is soluble in organic solvents.

CAS：37002-48-5
中文别名：(2S,3S)-(+)-1,4-双(二苯基膦基)-2,3-O-异亚丙基-2,3-丁二醇;(2S,3S)-(+)-1,4-双(二苯基膦;(+)-2,3-O-异丙烯基-2,3-二羟基-1,4-双(二苯基膦)丁烷;
英文别名：(+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino);(+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane;(+)-2,3-O,O\'-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphanyl)butane;(+)-(S,S)-2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphinobutane);(S)-(+)-GABOB;(S)-(+)-Amino-3-hydroxybutanoic acid;(S)-(+)-4-Amino-3-hydroxybutyric acid;(S,S)-1,4-bis(diphenylphosphino)-1,4-dideoxy-2,3-O-isopropylidene-L-threitol;(2S,3S)-(+)-1,4-Bis(diphenylphosphino)-2,3-O-isopropylidene-2,3-butanediol;(S)-4-AMINO-3-HYDROXYBUTANOIC ACID;(4S,5S)-(+)-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane;(4S,5S)-(+)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane;acide (S)-amino-4 hydroxy-3 butanoique;((anti-2,2-dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine);(2S,3S)-(+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane;(((4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine);
分子式：C31H32O2P2
分子量：498.532
精确质量：498.188
Psa：45.64
Logp：5.7723

EINECS号：253-307-9

外观与性状：白色粉末
沸点：590.3ºC at 760 mmHg
熔点：88 - 90ºC
闪点：390.9ºC
储存条件：0-6ºC

安全说明：S26
危险类别码：R36/37/38
危险品标志：Xi