(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol
(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol
CAS: 65283-60-5
Molecular Formula: C20H12Br2O2
(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol - Names and Identifiers
| Name | (R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol |
| Synonyms | AURORA KA-7214 6'-DIBROMO-1,1'-BI-2-NAPHTHOL 6,6'-DIBROMO-1,1'-BI-2-NAPHTHOL (S)-(+)-6'-DIBROMO-1,1'-BI-2-NAPHTHOL (R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol (R)-(-)-6,6''-DIBROMO-1,1''-BI-2-NAPHTOL |
| CAS | 65283-60-5 |
(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol - Physico-chemical Properties
| Molecular Formula | C20H12Br2O2 |
| Molar Mass | 444.12 |
| Density | 1.5428 (rough estimate) |
| Melting Point | 195-199°C(lit.) |
| Boling Point | 546.2±45.0 °C(Predicted) |
| Specific Rotation(α) | -48 º (c=1.8, THF) |
| Water Solubility | Insoluble in water |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| pKa | 7.78±0.50(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.4947 (estimate) |
| Physical and Chemical Properties | alpha:-48 o (c=1.8, THF) |
(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29081990 |
(R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol - Introduction
(R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol, also known as (R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: White to yellow solid
-Molecular formula: C20H12Br2O2
-Molecular weight: 444.12g/mol
-Melting Point: 203-205°C
-Solubility: Slightly soluble in water, soluble in organic solvents such as chloroform and ethanol
Use:
- (R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol can be used as asymmetric organic catalysts for catalytic asymmetric fluorination reactions, reduction reactions, etc.
-In organic synthesis, it can also be used to prepare intermediates for drugs, plant hormones, pesticides, etc.
Preparation Method:
(R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol can be prepared from (S)-1,1 '-bi-2-naphthol by bromination.
Safety Information:
- (R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol should be used in accordance with laboratory safety procedures.
-It may have an irritating effect on the eyes, skin and respiratory system, so it should be used to protect the eyes, skin and respiratory tract.
-prolonged exposure may cause an allergic skin reaction.
-When storing and handling this compound, avoid contact with oxidizing agents, and avoid heat, sparks and open flames to prevent fire or explosion.
Nature:
-Appearance: White to yellow solid
-Molecular formula: C20H12Br2O2
-Molecular weight: 444.12g/mol
-Melting Point: 203-205°C
-Solubility: Slightly soluble in water, soluble in organic solvents such as chloroform and ethanol
Use:
- (R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol can be used as asymmetric organic catalysts for catalytic asymmetric fluorination reactions, reduction reactions, etc.
-In organic synthesis, it can also be used to prepare intermediates for drugs, plant hormones, pesticides, etc.
Preparation Method:
(R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol can be prepared from (S)-1,1 '-bi-2-naphthol by bromination.
Safety Information:
- (R)-(-)-6,6 '-Dibromo-1,1'-bi-2-naphthol should be used in accordance with laboratory safety procedures.
-It may have an irritating effect on the eyes, skin and respiratory system, so it should be used to protect the eyes, skin and respiratory tract.
-prolonged exposure may cause an allergic skin reaction.
-When storing and handling this compound, avoid contact with oxidizing agents, and avoid heat, sparks and open flames to prevent fire or explosion.
Last Update：2024-04-09 20:49:11
