211108-50-8
211108-50-8 结构式
基本信息
1-BOC-3-氟-4-哌啶酮
N-BOC-3-氟-4-哌啶酮
4-BOC-3-氟-哌啶-2-酮
4-叔丁氧羰基-二乙哌啶二酮,3-氟
3-氟-4-氧代哌啶-1-甲酸叔丁酯
1-(叔丁氧羰基)-3-氟-4-哌啶酮
叔丁基 3-氟-4-氧代哌啶-1-甲酸酯
3-Fluoro-4-boc- Piperidinone
1-Boc-3-fluoropiperidin-4-one
1-Boc-3-fluoro-4-oxopiperidine
N-t-BOC-5-Fluoropiperidin-4-one
1-Boc-3-fluoro-4-piperidone, 95%
3-Fluoropiperidin-4-one, N-BOC protected
1-(tert-Butoxycarbonyl)-3-fluoro-4-piperidone
tert-Butyl 3-fluoro-4-oxopiperidin-1-carboxylate
TERT-BUTYL 3-FLUORO-4-OXOPIPERIDINE-1-CARBOXYLATE
物理化学性质
制备方法
211108-48-4
211108-50-8
以叔丁基4-(三甲基硅基氧基)-5,6-二氢吡啶-1(2H)-甲酸酯(25.0 g,0.09 mol)为原料,将其溶于无水乙腈(200 mL)中,搅拌下加入1-(氯甲基)-4-氟-1,4-二氮杂双环[2.2.2]辛烷二四氟硼酸盐(35.8 g,0.101 mol)。反应混合物在室温下搅拌1小时。反应完成后,用乙酸乙酯稀释反应液,随后用水洗涤,无水硫酸钠干燥,减压浓缩除去溶剂。粗产物通过硅胶快速柱色谱法纯化,得到3-氟-4-氧代哌啶-1-甲酸叔丁酯,为灰白色固体,收率73%(8.1 g)。产物经LCMS分析(方法C):m/z 118.2(M-Boc + H),保留时间2.53分钟,纯度96.5%(ELSD)。1H NMR(400 MHz,DMSO-d6)δ:4.92-4.89(m,1H),4.76-4.73(m,1H),4.21-4.17(m,1H),3.30-3.20(m,2H),2.60-2.45(m,2H),1.47(s,9H)。
参考文献:
[1] Patent: WO2008/124323, 2008, A1. Location in patent: Page/Page column 40
[2] Journal of Medicinal Chemistry, 1998, vol. 41, # 15, p. 2667 - 2670
[3] Journal of Medicinal Chemistry, 1999, vol. 42, # 12, p. 2087 - 2104
[4] Patent: WO2013/96744, 2013, A1. Location in patent: Page/Page column 223
[5] Patent: US2006/258721, 2006, A1. Location in patent: Page/Page column 74; 75
