900503-08-4
900503-08-4 结构式
基本信息
8-BOC-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯
8-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯
8-Boc-8-aza-bicyclo3.2.1oct-2-ene-3-boronic acid picol ester
8-Boc-8-azabicyclo[3.2.1]oct-3-ene-3-boronic acid pinacol ester
8-Boc-8-azabicyclo[3.2.1]oct-2-ene-3-boronic acid pinacol ester
N-BOC-8-AZABICYCLO[3.2.1]OCT-2-ENE-2-BORONIC ACID, PINACOL ESTER
8-(tert-Butoxy)carbonyl-8-azabicyclo[3.2.1]oct-2-ene-3-boronic acid pinacol ester
8-Boc-3-(4,4,5,5-TetraMethyl-1,3,2-dioxaborolan-2-yl)-8-azabicyclo[3.2.1]oct-2-ene
(8-(TERT-BUTOXYCARBONYL)-8-AZABICYCLO[3.2.1]OCT-2-EN-3-YL)BORONIC ACID PINACOL ESTER
tert-butyl 3-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-8-azabicyclo[3.2.1]oct-3-ene-8-carboxylat
tert-butyl3-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-8-azabicyclo[3.2.1]oct-2-ene-8-carboxylate
物理化学性质
制备方法
73183-34-3
185099-68-7
900503-08-4
以8-Boc-3-(三氟甲基磺酰氧基)-8-氮杂双环[3.2.1]辛-3-烯(10.1g,28.4mmol)和联硼酸频那醇酯(8.7g,34.1mmol)为原料,在氩气保护下,加入KOAc(8.4g,85.3mmol)、PdCl2(dppf)2·CH2Cl2(1.4g,1.7mmol)和dppf(1g,1.8mmol)于二恶烷(170ml)中。将反应混合物在80°C下搅拌16小时。反应完成后,冷却至室温,旋转蒸发除去溶剂。将粗产物重新溶解于EtOAc(500ml)中,依次用水(125ml)和盐水(125ml)洗涤,无水Na2SO4干燥。减压浓缩除去溶剂,残余物通过硅胶柱色谱纯化,以EtOAc/己烷(0-40%)梯度洗脱,得到目标产物8-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯(8.6g,收率90%)。
参考文献:
[1] Patent: WO2012/27234, 2012, A1. Location in patent: Page/Page column 41; 42
[2] Patent: WO2014/9296, 2014, A1. Location in patent: Page/Page column 93
[3] Patent: US2015/191482, 2015, A1. Location in patent: Paragraph 0476
[4] Patent: US2017/112833, 2017, A1. Location in patent: Paragraph 0520-0521
[5] Canadian Journal of Chemistry, 2006, vol. 84, # 4, p. 555 - 560

