(R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)
Synonym(s):(R,R)-2,2′-Bis(4-phenyl-2-oxazolin-2-yl)propane;(R,R)-2,2′-Isopropylidenebis(4-phenyl-2-oxazoline)
- CAS NO.：150529-93-4
- Empirical Formula: C21H22N2O2
- Molecular Weight: 334.41
- MDL number: MFCD00192244
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:53:15
What is (R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)?
Chemical properties
Low melting solid or liquid
The Uses of (R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)
(+)-2,2′-Isopropylidenebis[(4R)-4-phenyl-2-oxazoline] in the presence of copper iodide, can catalyze the asymmetric cyclopropanation reaction of phenyliodonium ylides with alkenes to form cyclopropane α-amino acid esters.
Properties of (R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)
| Melting point: | 56-58 °C(lit.) |
| Boiling point: | 468.9±45.0 °C(Predicted) |
| Density | 1.18±0.1 g/cm3(Predicted) |
| refractive index | 160 ° (C=1, EtOH) |
| storage temp. | -20°C |
| form | clear liquid |
| pka | 4.85±0.70(Predicted) |
| color | Light yellow to Amber to Dark green |
| optical activity | [α]20/D +160°, c = 1 in ethanol |
| BRN | 4266906 |
| CAS DataBase Reference | 150529-93-4 |
Safety information for (R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for (R,R)-2,2'-(DIMETHYLMETHYLENE)BIS(4-PHENYL-2-OXAZOLINE)
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