1-Pyrenylboronic aci
1-Pyrenylboronic acid
CAS: 164461-18-1
Molecular Formula: C16H11BO2
1-Pyrenylboronic aci - Names and Identifiers
| Name | 1-Pyrenylboronic acid |
| Synonyms | 1-Boronopyrene 1-Pyrenylboronic aci 1-PYRENEBORONIC ACID 1-Pyrenyboronic acid PYRENE-1-BORONIC ACID 1-Pyrenylboronic acid pyren-1-ylboronic acid B-1-Pyrenylboronic acid Boronic acid, B-1-pyrenyl- 1-Pyreneboronic acid, 1-Pyrenylboronic acid 1-Pyreneboronic acid, 1-Pyrenylboronic acid 1-Pyreneboronic Acid (contains varying amounts of Anhydride) |
| CAS | 164461-18-1 |
| EINECS | 813-398-3 |
| InChI | InChI=1/C16H11BO2/c18-17(19)14-9-7-12-5-4-10-2-1-3-11-6-8-13(14)16(12)15(10)11/h1-9,18-19H |
| InChIKey | MWEKPLLMFXIZOC-UHFFFAOYSA-N |
1-Pyrenylboronic aci - Physico-chemical Properties
| Molecular Formula | C16H11BO2 |
| Molar Mass | 246.07 |
| Density | 1.35±0.1 g/cm3(Predicted) |
| Melting Point | 247-251°C(lit.) |
| Boling Point | 509.4±33.0 °C(Predicted) |
| Flash Point | 261.9°C |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 3.36E-11mmHg at 25°C |
| Appearance | Powder |
| Color | Pale yellow |
| pKa | 8.53±0.30(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.804 |
| MDL | MFCD04974062 |
| Physical and Chemical Properties | WGK Germany:3 |
1-Pyrenylboronic aci - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29319090 |
1-Pyrenylboronic aci - Reference Information
| Introduction | 1-pyrene boric 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. |
| preparation | at -78 ℃ and N2, an excess n-BuLi of 1.6M in hexane (50mL,80mmol) was added to 500ml of dried tetrahydrofuran solution of 1-bromopyrene (20.4g,72.6mmol). The reaction mixture was then maintained at 0°C for 1h and then cooled to -78°C. Trimethyl borate (10.4g,100mmol) was added dropwise; then the solution was slowly heated to room temperature and stirred for 24h. Add 2N HCl(150ml) and then stir the mixture for another 1h. The reaction mixture was extracted with ethyl acetate and water, anhydrous magnesium sulfate was dried, the solvent was evaporated in vacuum, and the recrystallized residue (n-hexane) was obtained with 12.5 g1-pyrene boric acid yellow solid (70%). |
Last Update：2024-04-09 20:49:11
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