返回ChemicalBook首页>CAS数据库列表>900503-08-4

900503-08-4

中文名称 8-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯
英文名称 tert-butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-8-azabicyclo[3.2.1]oct-3-ene-8-carboxylate
CAS 900503-08-4
分子式 C18H30BNO4
分子量 335.25
MOL 文件 900503-08-4.mol
更新日期 2025/01/14 09:41:24
900503-08-4 结构式 900503-08-4 结构式

基本信息

中文别名
8-氮杂双环[3,2,1]辛烯-8-叔丁酰基-3-硼酸酯
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
英文别名
-8-azabicyclo[3.2.1]oct-3-ene-8-carboxylate
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

沸点378.2±52.0 °C(Predicted)
密度1.08
储存条件Sealed in dry,2-8°C
酸度系数(pKa)-1.34±0.40(Predicted)
外观White to off-white Solid
InChIInChI=1S/C18H30BNO4/c1-16(2,3)22-15(21)20-13-8-9-14(20)11-12(10-13)19-23-17(4,5)18(6,7)24-19/h10,13-14H,8-9,11H2,1-7H3
InChIKeyJNHGCLCLMOCPCQ-UHFFFAOYSA-N
SMILESC12N(C(OC(C)(C)C)=O)C(CC1)CC(B1OC(C)(C)C(C)(C)O1)=C2

制备方法

方法1
联硼酸频那醇酯

73183-34-3

(1R,5S)-3-(三氟甲基磺酰氧基)-8-氮杂双环[3.2.1]-2-辛烯-8-羧酸叔丁酯

185099-68-7

8-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯

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

8-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯价格(试剂级)
报价日期产品编号产品名称CAS号包装价格
2025/12/22XW02900503084058-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯900503-08-410G1868元
2025/12/22XW02900503084048-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯900503-08-45G975元
2025/12/22XW02900503084038-叔丁氧羰基-8-氮杂双环[3.2.1]辛-2-烯-3-硼酸频哪醇酯900503-08-41G209元
"900503-08-4" 相关产品信息