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CAS RN: 135616-40-9 | Product Number: B4418
(R,R)-(-)-N,N'-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine
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Purity: >98.0%(HPLC)(N)
Synonyms:
- (R,R)-Jacobsen's Ligand
Product Documents:
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| 5G |
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| Product Number | B4418 |
Purity / Analysis Method 
|
>98.0%(HPLC)(N) |
| Molecular Formula / Molecular Weight | C__3__6H__5__4N__2O__2 = 546.84 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 135616-40-9 |
| Reaxys Registry Number | 6832745 |
| PubChem Substance ID | 253662530 |
| MDL Number | MFCD00191800 |
Specifications
| Appearance | White to Yellow to Yellow green powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(with Total Nitrogen) | min. 98.0 % |
| Melting point | 206.0 to 210.0 °C |
| Specific rotation [a]20/D | -310 to -330 deg(C=1,CH2Cl2) |
Properties (reference)
| Melting Point | 208 °C |
| Specific Rotation | -321° (C=1,CH2Cl2) |
| Maximum Absorption Wavelength | 328 nm (CH__3CN) |
| Solubility (soluble in) | Toluene |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
Related Laws:
Transport Information:
| H.S.code* | 2925.29-000 |
Application
A Useful Ligand for Various Asymmetric Syntheses
References
- Highly enantioselective epoxidation catalysts derived from 1,2-diaminocyclohexane
- Asymmetric cyanation of nitroalkenes catalyzed by a salen-titanium catalyst
- Total synthesis of the microtubule stabilizing antitumor agent laulimalide and some nonnatural analogues: the power of Sharpless’ asymmetric epoxidation
Application
Kinetic Optical Resolution Using Jacobsen Ligand
Reference
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