879487-10-2

基本信息
1-异丙基吡唑-4-硼酸频哪醇酯
1-异丙基-1H-吡唑-4-硼酸频那醇酯 1G
1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)-1H-吡唑
1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)-1H-吡唑
1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)-1H-吡唑
1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧杂环己硼烷-2-基)-1H-吡唑
1-(1-Methylethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1-IsopropyL
1-(1-Methylethyl)-4-(4
1-(propan-2-yl)-4-(tetraM
1-Isopropylpyrazole-4-boronic acid,pinacol ester
1-Isopropyl-1H-pyrazol-4-boronic acid, pinacol ester
1-Isopropylpyrazole-4-boronic acid, pinacol ester 98%
1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)
1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)p...
物理化学性质
制备方法

75-30-9

269410-08-4

879487-10-2
一般步骤:在氮气保护下,将2-碘丙烷(1.14 g,6.70 mmol,0.67 mL)缓慢滴加至含有4-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷-2-基)-1H-吡唑(1.00 g,5.15 mmol)和碳酸铯(3.49 g,10.72 mmol)的无水N,N-二甲基甲酰胺(20 mL)溶液中,反应体系保持在0°C。滴加完毕后,继续在0°C下搅拌30分钟。随后,移除冰水浴,使反应混合物逐渐升温至室温,并持续搅拌过夜。反应完成后,将混合物用乙酸乙酯(150 mL)稀释,并依次用饱和食盐水(3×100 mL)洗涤。合并有机层,用无水硫酸钠干燥,过滤后减压浓缩。所得粗产物通过快速柱色谱法纯化(硅胶柱,12 g;洗脱剂:庚烷/乙酸乙酯,梯度洗脱,10%-30%乙酸乙酯),得到目标化合物1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)-1H-吡唑(0.69 g,2.32 mmol,收率57%)。产物经GC-MS(方法L9)分析:保留时间Rt = 3.86 min;质谱m/z = 236 [M]+。1H NMR(300 MHz,CDCl3,方法M2)δ 7.79(s,1H),7.74(s,1H),4.52(p,J = 6.7 Hz,1H),1.50(d,J = 6.7 Hz,6H),1.32(s,12H)。
参考文献:
[1] Journal of Medicinal Chemistry, 2011, vol. 54, # 18, p. 6342 - 6363
[2] Patent: WO2017/178416, 2017, A1. Location in patent: Page/Page column 114
[3] Patent: US2009/197862, 2009, A1. Location in patent: Page/Page column 46-47
[4] Patent: US2011/152273, 2011, A1. Location in patent: Page/Page column 73
[5] European Journal of Medicinal Chemistry, 2018, vol. 158, p. 270 - 285
报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
2025/05/22 | 44509 | 1-异丙基-1H-吡唑-4-硼酸频那醇酯 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester, 97%, Thermo Scientific Chemicals | 879487-10-2 | 1g | 2686元 |
2025/05/22 | 44509 | 1-异丙基-1H-吡唑-4-硼酸频那醇酯 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester, 97%, Thermo Scientific Chemicals | 879487-10-2 | 5g | 9860元 |
2025/05/22 | I1085 | 1-异丙基-4-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-1H-吡唑 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | 879487-10-2 | 250mg | 40元 |