Name | RAC-3,5-Xylyl-Binap |
Synonyms | Xylbinap (S)-DM-BINAP (S)-xyl-Binap (S)-xylyl-Binap (S)-3,5-Xyl-BINAP (RAC-Xylyl-Binap) (S)-3,5-Xylyl-Binap (R)-3,5-Xylyl-Binap RAC-3,5-Xylyl-Binap 2,2'-BIS[DI(3,5-XYLYL)PHOSPHINO]-1,1'-BINAPHTHYL Racemic-2,2'-Bis[Di(3,5-Xylyl)phosphino]-1,1'-binaphthyl (S)-(-)-2,2'-Bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl 2,2'-BIS[BIS(3,5-DIMETHYLPHENYL)PHOSPHINO]-1,1'-BINAPHTHYL RAC-2,2'-Bis(di(3,5-dimethylphenyl)phosphino)-1,1'-binaphthyl 1,1'-Binaphthalene-2,2'-diylbis[bis(3,5-dimethylphenyl)phosphine] 1,1'-binaphthalene-2,2'-diylbis[bis(3,5-dimethylphenyl)phosphane] (S)-(-)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphino]-1,1'-binaphthyl phosphine, 1,1'-[1,1'-binaphthalene]-2,2'-diylbis[1,1-bis(3,5-dimethylphenyl)- (S)-(-)-2,2'-Bis(di-(3,5-dimethylphenyl)phosphino)-1,1'-binaphthyl , ((S)-Xylyl 1,1'-[(1S)-[1,1'-Binaphthalene]-2,2'-diyl]bis[1,1-bis(3,5-dimethylphenyl)-phosphine |
CAS | 135139-00-3 145416-77-9 |
EINECS | 681-146-8 |
InChI | InChI=1/C52H48P2/c1-33-21-34(2)26-43(25-33)53(44-27-35(3)22-36(4)28-44)49-19-17-41-13-9-11-15-47(41)51(49)52-48-16-12-10-14-42(48)18-20-50(52)54(45-29-37(5)23-38(6)30-45)46-31-39(7)24-40(8)32-46/h9-32H,1-8H3 |
Molecular Formula | C52H48P2 |
Molar Mass | 734.89 |
Melting Point | 203-206°C |
Boling Point | 825.3±65.0 °C(Predicted) |
Specific Rotation(α) | -172 º (c=1 in chloroform) |
Water Solubility | Insoluble in water |
Appearance | White to beige powder or crystal |
Color | white to pale yellow |
Storage Condition | Inert atmosphere,Room Temperature |
MDL | MFCD01630821 |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. |
TSCA | No |
application | (S)-binaphthalene (3, 5-xylene) phosphine is a chiral organic phosphine compound, and the metal catalytic reaction it participates in has been widely used in the field of asymmetric synthesis. |
Synthesis method | Using phosphorus tribromide as raw material, it reacts with bis (3,5-dimethylphenyl) phosphine oxide to obtain bis (3, 5-dimethylphenyl) phosphine bromide in 92% yield, and then it is coupled with Ni(dppe)Cl 2 as catalyst and zinc powder as reducing agent, (S)-binaphthalene (3, 5-xylene) phosphine was obtained. |