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Product Name:(2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicycle(2.2.1)hept-5-ene, (S,S)-NORPHOS
CAS:71042-54-1
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| | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Basic information | | Reaction |
| Product Name: | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE | | Synonyms: | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE;(S,S)-NORPHOS;(2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicylo[2.2.1]hept-5-ene;(2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene,min.95%(S,S)-NORPHOS;(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE (S,S)-NORPHOS, (C 1,CHCL3);(1S,4R)-5α,6β-Bis(diphenylphosphino)bicyclo[2.2.1]hepta-2-ene;[[1R,4S,(+)]-Bicyclo[2.2.1]hept-5-ene-2α,3β-diyl]bis(diphenylphosphine);[[1R,4S,(+)]-Bicyclo[2.2.1]hepta-5-ene-2α,3β-diyl]bis(diphenylphosphine) | | CAS: | 71042-54-1 | | MF: | C31H28P2 | | MW: | 462.5 | | EINECS: | | | Product Categories: | Chiral Phosphine;NORPhos Series;organophosphine ligand | | Mol File: | 71042-54-1.mol | ![(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Structure](CAS/GIF/71042-54-1.gif) |
| | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Chemical Properties |
| Melting point | 120 °C | | alpha | +47° (c 1, CHCl3) | | Boiling point | 577.0±50.0 °C(Predicted) | | storage temp. | 2-8°C, protect from light, stored under nitrogen | | form | crystal | | color | white | | Sensitive | air sensitive | | CAS DataBase Reference | 71042-54-1 |
| | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Usage And Synthesis |
| Reaction |
- Ligand used in the enantioselective rhodium catalyzed hydrogenation of α–dehydroaminoesters and enamides.
- Ligand used in the enantioselective rhodium catalyzed hydroboration of cyclopropenes.
- Ligand used in the asymmetric rhodium catalyzed cleavage of racemic 1,3-oxazolidines.
| | Chemical Properties | White crystalline powder | | Uses | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE is a ligand for transition metal-catalyzed asymmetric hydrogenation of olefins, α-ketoesters, imines, and β-ketoesters; homotypic Diels-Alder reactions; and hydroarylations. | | Preparation | Trans-(2S,3S)-bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene (R,R-NORPHOS) has been prepared by reduction (Trichlorosilane) of the phosphine oxide, which was resolved with (-)- dibenzoyltartaric acid |
| | (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Preparation Products And Raw materials |
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