4-DIFLUOROMETHOXYPHENYLBORONIC ACID PINACOL ESTER
4-DIFLUOROMETHOXYPHENYLBORONIC ACID PINACOL ESTER
4-DIFLUOROMETHOXYPHENYLBORONIC ACID PINACOL ESTER 性质
| 沸点 | 319.3±37.0 °C(Predicted) |
|---|---|
| 密度 | 1.13±0.1 g/cm3(Predicted) |
| 储存条件 | under inert gas (nitrogen or Argon) at 2-8°C |
| 外观 | 浅黄至浅棕色固体 |
| InChI | InChI=1S/C13H17BF2O3/c1-12(2)13(3,4)19-14(18-12)9-5-7-10(8-6-9)17-11(15)16/h5-8,11H,1-4H3 |
| InChIKey | BPFSJXBWEVRJFH-UHFFFAOYSA-N |
| SMILES | O1C(C)(C)C(C)(C)OB1C1=CC=C(OC(F)F)C=C1 |
4-DIFLUOROMETHOXYPHENYLBORONIC ACID PINACOL ESTER 用途与合成方法
5905-69-1
73183-34-3
887757-48-4
A. 合成2-(4-(二氟甲氧基)苯基)-4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷的一般步骤: 在氮气保护下,将1-溴-4-(二氟甲氧基)苯(1g,4.48mmol)、联硼酸频那醇酯(1.2g,4.71mmol)、乙酸钾(1.3g,13.4mmol)和PdCl2(dppf)-CH2Cl2加合物(0.18g,0.22mmol)溶于DMF(15mL)中,于90℃搅拌反应1小时。反应完成后,用二氯甲烷稀释反应混合物,依次用水、饱和NaHCO3溶液和盐水洗涤,有机相用无水MgSO4干燥,浓缩。粗产物通过ISCO快速色谱法(硅胶柱,洗脱剂为100:0至50:50的己烷/乙酸乙酯梯度)纯化,得到目标产物2-(4-(二氟甲氧基)苯基)-4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷(1.12g,3.32mmol,产率74.0%),为棕色油状物。
参考文献:
[1] Organic Process Research and Development, 2018, vol. 22, # 4, p. 557 - 561
[2] Patent: WO2010/104830, 2010, A1. Location in patent: Page/Page column 98-99
[3] Patent: US2012/329802, 2012, A1. Location in patent: Page/Page column 33
[4] Patent: US2007/60623, 2007, A1. Location in patent: Page/Page column 49
[5] Patent: WO2009/26276, 2009, A1. Location in patent: Page/Page column 49-50
4-DIFLUOROMETHOXYPHENYLBORONIC ACID PINACOL ESTER 价格(试剂级)
| 更新日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
|---|---|---|---|---|---|
| 2026-09-15 | XW0288775748403 | 2-(4-(二氟甲氧基)苯基)-硼酸频哪醇酯 | 887757-48-4 | 1G | 199 |
| 2026-09-15 | XW0288775748402 | 2-(4-(二氟甲氧基)苯基)-硼酸频哪醇酯 | 887757-48-4 | 250MG | 93 |