244205-40-1
2-bromophenylboronic acid
CAS: 244205-40-1
Molecular Formula: C6H6BBrO2
244205-40-1 - Names and Identifiers
| Name | 2-bromophenylboronic acid |
| Synonyms | o-BBBA 2-broMoborate AKOS BRN-0929 RARECHEM AH PB 0074 2-BROMOPHENYLBORONIC ACID 2-Bromophenylboronic acid 2-bromophenylboronic acid O-BROMOPHENYLBORONIC ACID 2-Bromobenzeneboronic acid Boronic acid,B-(2-bromophenyl)- |
| CAS | 244205-40-1 |
| EINECS | 678-199-4 |
| InChI | InChI=1/C6H6BBrO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4,9-10H |
244205-40-1 - Physico-chemical Properties
| Molecular Formula | C6H6BBrO2 |
| Molar Mass | 200.83 |
| Density | 1.67±0.1 g/cm3(Predicted) |
| Melting Point | 113°C(lit.) |
| Boling Point | 329.2±44.0 °C(Predicted) |
| Flash Point | 152.9°C |
| Water Solubility | Soluble in methanol. Slightly soluble in water. |
| Solubility | Acetonitrile (Slightly), Chloroform (Slightly), DMSO (Slightly), Methanol (Spari |
| Vapor Presure | 7.27E-05mmHg at 25°C |
| Appearance | White-like powder |
| Color | White to off-white |
| BRN | 8542615 |
| pKa | 8.25±0.58(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.598 |
| MDL | MFCD01114672 |
244205-40-1 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29319090 |
| Hazard Class | IRRITANT |
244205-40-1 - Reference Information
| introduction | 2-bromophenylboronic acid is a boric acid derivative, which is widely used in organic synthesis for the formation of carbon-carbon bonds. In Suzuki coupling, aryl halides and boric acid aryl or vinyl ester or boric acid are coupled using Pd(PPh3)4. |
| use | 2-bromophenylboric acid is also called o-bromophenylboric acid, an important intermediate of electronic chemicals for Organic Light-Emitting Diode,OLED). |
| Preparation | The solution of o-dibromobenzene (0.5 cm3,4.15 mmol),THF-Et2O(25 cm3:25 cm3) was cooled to -115°C in a nitrogen/ethanol cooling bath. Rapid addition of precooling (-78°C) t-BuLi(5.9 cm3,8.73 mmol). The yellow reaction mixture was stirred at -115°C for 35 minutes. A pre-cooled (-78°C) solution of B(OMe)3(5 cm3,44 mmol) in Et2O(10 cm3) was added. Stir at -115 to -105°C for two hours. At -115°C, the reaction was quenched with 5 cm3 EtOH-concentrated hydrochloric acid (8:2). Slowly warmed to room temperature, then recrystallized from water (150 cm3) to obtain 2-bromophenylboronic acid. |
Last Update：2024-04-10 22:29:15
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