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| | (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Basic information | | Reactions |
| Product Name: | (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE | | Synonyms: | (2R,2'R,5R,5'R)-2,2',5,5'-TETRAMETHYL-1,1'-(1,2-PHENYLENE)DIPHOSPHOLANE;(2R,2'R,5R,5'R)-2,2',5,5'-TETRAMETHYL-1,1'-(O-PHENYLENE)DIPHOSPHOLANE;(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE;(-)-1,2-BIS((2R,5R)-2,5-DIMETHYLPHOSPHOLANO)BENZENE, KANATA PURITY;(-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene(r,r)-me-duphos;(-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene,98+%(R,R)-Me-DUPHOS;(-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, (R,R)-Me-DUPHOS,98+%;()-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene,(2R,2’R,5R,5′R)-2,2′,5,5′-Tetramethyl-1,1′-(o-phenylene)diphospholane, (R,R)-Me-DUPHOS, (R,R)-Methyl-DUPHOS | | CAS: | 147253-67-6 | | MF: | C18H28P2 | | MW: | 306.36 | | EINECS: | | | Product Categories: | organophosphine ligand | | Mol File: | 147253-67-6.mol | ![(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Structure](CAS/GIF/147253-67-6.gif) |
| | (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Chemical Properties |
| Melting point | 66-76 °C | | alpha | -476° (c 1, hexane) | | Boiling point | 415.0±15.0 °C(Predicted) | | storage temp. | under inert gas (nitrogen or Argon) at 2-8°C | | form | crystal | | color | white | | Optical Rotation | [α]20/D -420±15°, c = 0.5 in methylene chloride | | Water Solubility | Insoluble in water. | | Sensitive | Air Sensitive | | BRN | 4810602 | | InChI | 1S/C18H28P2/c1-13-9-10-14(2)19(13)17-7-5-6-8-18(17)20-15(3)11-12-16(20)4/h5-8,13-16H,9-12H2,1-4H3/t13-,14-,15-,16-/m1/s1 | | InChIKey | AJNZWRKTWQLAJK-KLHDSHLOSA-N | | SMILES | C[C@@H]1CC[C@@H](C)P1c2ccccc2P3[C@H](C)CC[C@H]3C | | CAS DataBase Reference | 147253-67-6 |
| Safety Statements | 22-24/25 | | WGK Germany | 3 | | F | 10-23 | | HS Code | 2934999090 | | Storage Class | 11 - Combustible Solids |
| | (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Usage And Synthesis |
| Reactions |
- The DUPHOS family of catalysts is highly efficient for the asymmetric hydrogenation of various substituted cetamidoacrylates and enol acetates yielding products of high enantiomeric excesses.
- Efficient ligand for the asymmetric hydrogenation of imines, enamines, and enamides.
- Asymmetric hydrogenation of vinyl alcohols.
- Catalyst used for the asymmetric hydrogenation of enol phosphonates.
- Asymmetric hydrogenation of allylic alcohols.
- Ligand for the catalytic asymmetric [4+1] cycloaddition of vinylallenes with CO.
- Ligand for the Rh-catalyzed asymmetric enyne cycloisomerization.
- Catalytic enantioselective addition of dialkylzinc to N-Diphenylphosphinoylimines.

| | Uses | 1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff. It is used as highly efficient privileged ligands. |
| | (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Preparation Products And Raw materials |
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