65094-22-6

基本信息
二氟甲基膦酸二乙酯
溴二氟甲基 二乙基膦酸酯
BROMODIFLUOROMETHYL DIETHYLPHOSPHONATE
Diethyl bromodifluoromethanephosphonate
DIETHYL (BROMODIFLUOROMETHYL)PHOSPHONATE
Bromodifluoromethyl diethyl phosphonate~Diethyl bromodifluoromethanephosphonate
BromodifluoromethylphosphonicAcidDiethylEsterDiethylBromodifluoromethylphosphonate
Bromodifluoromethyl diethylphosphonate 97%
Bromodifluoromethyldiethylphosphonate97%
1-[[Bromo(difluoro)methyl]-ethoxyphosphoryl]oxyethane
物理化学性质
安全数据
制备方法

75-61-6

122-52-1

65094-22-6
在氮气保护下,将二溴二氟甲烷(209.8 g,1 mol)缓慢滴加至装有磁力搅拌器的亚磷酸三乙酯(153.5 g,0.925 mol)的无水乙醚(450 mL)溶液中。滴加完毕后,将反应体系缓慢升温至室温,随后加热回流20小时。反应完成后,通过减压蒸馏除去挥发性溶剂,收集沸点为50-52℃(1 mmHg)的馏分,得到无色液体产物二乙基(溴二氟甲基)膦酸酯(256.3 g,产率96%)。产物结构经1H NMR(CDCl3)确认:δ 4.35(m,4H),1.35(m,6H);13C NMR(CDCl3)确认:δ 122.9, 119.8, 118.6, 115.4, 114.2, 111.1, 66.59, 66.50, 16.56, 16.48。
参考文献:
[1] Journal of Organometallic Chemistry, 1997, vol. 529, # 1-2, p. 267 - 278
[2] Phosphorus, Sulfur and Silicon and Related Elements, 1997, vol. 122, p. 247 - 259
[3] Patent: US2004/225146, 2004, A1. Location in patent: Page 4
[4] Journal of Fluorine Chemistry, 2011, vol. 132, # 10, p. 815 - 828
[5] Patent: WO2006/78698, 2006, A1. Location in patent: Page/Page column 64-65
常见问题列表
报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
2025/05/22 | L16715 | 溴二氟甲基膦酸二乙酯, 97% Diethyl (bromodifluoromethyl)phosphonate, 97% | 65094-22-6 | 1g | 216元 |
2025/05/22 | L16715 | 溴二氟甲基膦酸二乙酯, 97% Diethyl (bromodifluoromethyl)phosphonate, 97% | 65094-22-6 | 5g | 325元 |
2025/05/22 | L16715 | 溴二氟甲基膦酸二乙酯, 97% Diethyl (bromodifluoromethyl)phosphonate, 97% | 65094-22-6 | 25g | 2495元 |