(R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
Synonym(s):(R,R)-Jacobsen’s ligand
- CAS NO.：135616-40-9
- Empirical Formula: C36H54N2O2
- Molecular Weight: 546.84
- MDL number: MFCD00191800
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:26
What is (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE?
Chemical properties
(R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE is yellow powder
The Uses of (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
(R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE is a versatile ligand used in the preparation of Jacobsen's catalyst.
The Uses of (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
Versatile ligand for asymmetric catalysis. Ligand used for preparing Jacobsen′s catalyst suitable for enantioselective epoxidation of olefins lacking functional groups.
Lipases are used industrially for the resolution of chiral compounds and the transesterification production of biodiesel.
What are the applications of Application
(R,R)-(?)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine is a ligand used for preparing Jacobsen′s catalyst which is suitable for enantioselective epoxidation of olefins lacking functional groups
Biochem/physiol Actions
α-amylase catalyzes the hydrolysis of internal α-1,4-O-glycosidic bonds in starches to release α-anomeric sugars.
Properties of (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
| Melting point: | 205-207 °C(lit.) |
| Boiling point: | 619.74°C (rough estimate) |
| alpha | -315° (c 1, CH2Cl2) |
| Density | 1.0110 (rough estimate) |
| refractive index | 1.5300 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly), Dichloromethane (Slightly) |
| form | Powder |
| pka | 13.06±0.40(Predicted) |
| color | Yellow |
| optical activity | [α]20/D 315±15°, c = 1 in methylene chloride |
| λmax | 328nm(CH3CN)(lit.) |
| BRN | 5464823 |
Safety information for (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE
| InChIKey | FYNXDGNCEBQLGC-LQWPWIHBSA-N |
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