4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane
- CAS No.
- 870004-04-9
- Chemical Name:
- 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane
- Synonyms
- 4-ethylenebenzeneboronic acidolester;4-Vinylbenzeneboronic acid pinacol ester;4-Ethenylbenzeneboronic acid pinacol ester;4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 2-(4-ethenylphenyl)-4,4,5,5-tetramethyl-;4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane,97%(stabilized with TBC)
- CBNumber:
- CB03042425
- Molecular Formula:
- C14H19BO2
- Molecular Weight:
- 230.11
- MDL Number:
- MFCD18733870
- MOL File:
- 870004-04-9.mol
- MSDS File:
- SDS
| Boiling point | 323.5±21.0 °C(Predicted) |
|---|---|
| Density | 0.98±0.1 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| solubility | Chloroform (Sparingly), Hexane (Very Slightly) |
| form | Oil to Low-Melting Solid |
| color | White to Brown |
| Stability | Hygroscopic |
| InChI | InChI=1S/C14H19BO2/c1-6-11-7-9-12(10-8-11)15-16-13(2,3)14(4,5)17-15/h6-10H,1H2,2-5H3 |
| InChIKey | ONBKTEDYJFZZCU-UHFFFAOYSA-N |
| SMILES | O1C(C)(C)C(C)(C)OB1C1=CC=C(C=C)C=C1 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313 |
| HS Code | 2931900090 |
4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane price More Price(39)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | T4061 | 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane min. 95.0 % | 870004-04-9 | 1G | $107 | 2026-04-30 | Buy |
| TCI Chemical | T4061 | 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane min. 95.0 % | 870004-04-9 | 5G | $366 | 2026-04-30 | Buy |
| Usbiological | 291978 | (4-Vinylphenyl)boronic acid pinacol ester Asreported | 870004-04-9 | 1g | $386 | 2026-06-03 | Buy |
| Usbiological | 291978 | (4-Vinylphenyl)boronic acid pinacol ester Asreported | 870004-04-9 | 2g | $531 | 2026-06-03 | Buy |
| Usbiological | 291978 | (4-Vinylphenyl)boronic acid pinacol ester Asreported | 870004-04-9 | 5g | $799 | 2026-06-03 | Buy |
4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane Chemical Properties, Uses, Production
Synthesis
76-09-5
2156-04-9
870004-04-9
General methodology: synthesis of 4,4,5,5-tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane (4a). In anhydrous THF (50 mL), 4-vinylphenylboronic acid (3a, 1.00 g, 6.76 mmol), pinacol (802 mg, 6.80 mmol) and a small amount of magnesium sulfate desiccant were added and the reaction was stirred for 2 h at room temperature. After completion of the reaction, the solid impurities were removed by filtration, and the filtrate was concentrated under reduced pressure to afford the target product 4a (1.55 g, quantitative yield) as a colorless liquid. The structure of the product was confirmed by 1H NMR (400 MHz, CDCl3): δ 7.76 (d, 2H, J = 8.0 Hz), 7.40 (d, 2H, J = 8.0 Hz), 6.72 (dd, 1H, J1 = 11.0 Hz, J2 = 17.6 Hz), 5.81 (d, 1H, J = 17.6 Hz), 5.29 (d, 1H, J = 11.0 Hz), 1.81 (d, 1H, J = 11.0 Hz), 1.29 (d, 1H, J = 11.0 Hz). 11.0 Hz), 1.34 (s, 12H).13C NMR (100 MHz, CDCl3) data: δ 140.2, 136.9, 135.0 (2C), 125.5 (2C), 114.9, 83.8 (2C), 24.9 (4C). The measured value of m/z 253.1384 by high-resolution mass spectrometry (HRMS-ES) is consistent with the calculated value [C14H19B2Na]+ 253.1376.
References
[1] Tetrahedron Letters, 2013, vol. 54, # 10, p. 1211 - 1217
[2] Journal of Organic Chemistry, 2016, vol. 81, # 17, p. 8050 - 8060
[3] Journal of the American Chemical Society, 2007, vol. 129, # 34, p. 10348 - 10349
[4] Angewandte Chemie - International Edition, 2018, vol. 57, # 31, p. 9785 - 9789
[5] Angew. Chem., 2018, vol. 130, # 31, p. 9933 - 9937,5
4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane Preparation Products And Raw materials
Raw materials
Preparation Products
4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai Suweike New Materials Co., Ltd | 18896959461 | efp409@163.com | China | 500 | 58 |
| Shanghai Balmxy Pharmaceutical Co., Ltd | 021-24206007 13764915196 | sales@balmxy.com | China | 6966 | 55 |
| Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. | 025-66028182 17714375163 | yftan@aikonchem.com | China | 16674 | 50 |
| Shanghai YuanYe Biotechnology Co., Ltd. | 18916372613 | yanzihan@shyuanye.com | China | 87240 | 60 |
| Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131885 | 58 |
| Shanghai Yihe Biological Technology Co., Ltd. | 021-68882955 17721395025 | 2423903095@qq.com | China | 5183 | 58 |
| Zhengzhou Ruke Biological Co., Ltd. | 15981811963 | 1410472904@qq.com | China | 5824 | 58 |
| Shanghai Jizhi Biochemical Technology Co. Ltd. | 021-4009004166/18616739031 18616739031 | 3007523370@qq.com | China | 40000 | 58 |
| Shanghai Thunder Biological Technology Co., Ltd. | 18621609968 | 1162686636@qq.com | China | 1072 | 58 |
| Henan Alpha Chemical Co., Ltd. | 0371-55055611 18137792234 | 3957071458@qq.com | China | 9941 | 58 |
View Latest Price from 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2019-07-06 | 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane
870004-04-9
|
$1.00 | 1KG | 97%-99% | 1kg;5kg;100kg | Career Henan Chemical Co |
-
- 4,4,5,5-Tetramethyl-2-(4-vinylphenyl)-1,3,2-dioxaborolane
870004-04-9
- $1.00
- 97%-99%
- Career Henan Chemical Co
