444120-95-0

基本信息
2-氟吡啶-5-硼酸频哪酯
2-氟-5-吡啶硼酸频哪醇酯
6-氟吡啶-3-硼酸频哪醇酯
2-氟吡啶-5-硼酸匹那醇酯
6-氟-3-吡啶硼酸频呢醇酯
2-氟吡啶-5-硼酸频哪醇酯
2-氟-5-吡啶硼酸频呢醇酯
2-氟吡啶-5-硼酸频那醇酯
2-氟-5-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)吡啶
2-Flouropyridine-5-boronic acid pinacol ester
2-Fluoro-5-pyridineboronic acid pinacol ester
2-Fluoropyridine-5-boronic acid pinacol ester
2-Fluoropyridin-5-ylboronic acid pinacol ester
6-FLUOROPYRIDINE-3-BORONIC ACID, PINACOL ESTER
2-Fluoropyridine-5-boronic acid pinacol ester >=95%
2-fluoro-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
2-FLUORO-5-(4 4 5 5-TETRAMETHYL-(1 3 2)& ISO 9001:2015 REACH
2-(6-Fluoro-3-pyridyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
物理化学性质
制备方法

766-11-0

73183-34-3

444120-95-0
以2-氟-5-溴吡啶和联硼酸频那醇酯为原料合成2-氟吡啶-5-硼酸频哪醇酯的一般步骤:在氮气保护下,将Pd(dppf)Cl2(4.16g,5.68mmol)一次性加入到含有5-溴-2-氟吡啶(10g,56.82mmol)、联硼酸频那醇酯(21.64g,85.23mmol)和乙酸钾(16.73g,170.46mmol)的二恶烷(100mL)溶液中。混合物在室温下搅拌10分钟后,加热回流6小时。反应完成后,直接蒸发去除溶剂,残余物通过闪式硅胶柱色谱法纯化,得到目标产物2-氟吡啶-5-硼酸频哪醇酯(10.5g,产率82.85%)。产物的结构通过1H NMR(400MHz,氯仿-d)确认:δ 8.59(s,1H),8.15(dt,J = 1.76, 8.41 Hz,1H),6.91(dd,J = 2.26, 8.28 Hz,1H),1.35(s,12H)。
参考文献:
[1] Patent: EP3333157, 2018, A1. Location in patent: Paragraph 0255; 0256
[2] Patent: EP3239143, 2017, A2. Location in patent: Paragraph 0215
[3] Patent: WO2006/38116, 2006, A2. Location in patent: Page/Page column 40
[4] Patent: EP2891656, 2015, A1. Location in patent: Paragraph 0245
[5] Patent: WO2006/126081, 2006, A2. Location in patent: Page/Page column 52-53