(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE
- CAS No.
- 71042-54-1
- Chemical Name:
- (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE
- Synonyms
- (S,S)-NORPHOS;(2S,3S)-(+)-Norphos;(1R,4S,5S,6S)-5,6-Dibenzhydrylbicyclo[2.2.1]hept-2-ene;(1S,4R)-5α,6β-Bis(diphenylphosphino)bicyclo[2.2.1]hepta-2-ene;(2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicylo[2.2.1]hept-5-ene;(2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicycle(2.2.1)hept-5-ene;(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE;(1R,4S,5S,6S)-5,6-Dibenzhydrylbicyclo[2.2.1]hept-2-ene - [D88565];(2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene,95%;(2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene >
- CBNumber:
- CB0148870
- Molecular Formula:
- C31H28P2
- Molecular Weight:
- 462.5
- MDL Number:
- MFCD00085364
- MOL File:
- 71042-54-1.mol
| Product description | Number | Pack Size | Price |
| (2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene >98.0%(GC) | B3450 | 100mg | $221 |
| (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene, min. 95% (S,S)-NORPHOS | 15-0141 | 250mg | $239 |
| (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene, min. 95% (S,S)-NORPHOS | 15-0141 | 1g | $718 |
| (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene | B430440 | 1mg | $45 |
| (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene | B430440 | 2mg | $60 |
| More product size | |||
| 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 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36/37/39 |
| TSCA | No |
| HS Code | 29310099 |
(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE price More Price(26)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | B3450 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene >98.0%(GC) | 71042-54-1 | 100mg | $221 | 2025-07-31 | Buy |
| Strem Chemicals | 15-0141 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene, min. 95% (S,S)-NORPHOS | 71042-54-1 | 250mg | $239 | 2024-03-01 | Buy |
| Strem Chemicals | 15-0141 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene, min. 95% (S,S)-NORPHOS | 71042-54-1 | 1g | $718 | 2024-03-01 | Buy |
| TRC | B430440 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene | 71042-54-1 | 1mg | $45 | 2021-12-16 | Buy |
| TRC | B430440 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene | 71042-54-1 | 2mg | $60 | 2021-12-16 | Buy |
(2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE Chemical Properties,Uses,Production
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
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Richest Group Ltd | 18017061086 | oled@richest-group.com | CHINA | 5600 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131957 | 58 |
| Mainchem Co., Ltd. | +86-0592-6210733 | sale@mainchem.com | China | 32343 | 55 |
| J & K SCIENTIFIC LTD. | 18210857532; 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40228 | 62 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24529 | 81 |
| Energy Chemical | 021-021-58432009 400-005-6266 | sales8178@energy-chemical.com | China | 44801 | 61 |
| Shanghai Longsheng chemical Co.,Ltd. | 021-58099652-8005 13585536065 | bin.wu@shlschem.com | China | 9888 | 59 |
| Maya High Purity Chemicals | +86 (573) 82222445 (0)18006601000 452520369 | sales@maya-r.com | China | 11707 | 57 |
View Lastest Price from (2S,3S)-(+)-2,3-BIS(DIPHENYLPHOSPHINO)-BICYCLO[2.2.1]HEPT-5-ENE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2021-07-02 | (2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
71042-54-1
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd |
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![(2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene pictures](/ProductImageEN/2021-06/Small/cb93d001-27a4-473a-a204-851d496044bb.jpg)
- (2S,3S)-(+)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
71042-54-1
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
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