183208-22-2

基本信息
5-溴-1-甲基-1H-吡咯并[2,3-B]吡啶
5-BroMo-1-Methyl-7-azaind...
5-BroMo-1-Methylpyrrolo[2,3-b]pyridine
5-broMo-1-Methyl-1H-pyrrolo[2,3-b]pyridine
1H-Pyrrolo[2,3-b]pyridine, 5-bromo-1-methyl-
物理化學(xué)性質(zhì)
制備方法

183208-35-7

74-88-4

183208-22-2
在0℃下,向5-溴-7-氮雜吲哚(1.5g,7.6mmol)的N,N-二甲基甲酰胺(DMF,10mL)溶液中緩慢加入氫化鈉(NaH,365mg,9.1mmol)。將反應(yīng)混合物在室溫下攪拌1.5小時。隨后,加入碘甲烷(MeI,1.4g,9.8mmol),繼續(xù)在室溫下攪拌過夜。反應(yīng)完成后,用飽和碳酸氫鈉(NaHCO3)水溶液淬滅反應(yīng),再加入氯化銨(NH4Cl,10mL)溶液。將混合物在水(20mL)和乙酸乙酯(EA,20mL)之間進(jìn)行分離。有機(jī)層依次用水(10mL)和飽和鹽水(10mL)洗滌,經(jīng)無水硫酸鈉(Na2SO4)干燥。減壓除去溶劑,得到5-溴-1-甲基-1H-吡咯并[2,3-b]吡啶(1.7g,收率:定量),為淺黃色晶體。'HNMR(300 MHz,CDCl3):δ= 8.34(d,J = 2.1 Hz,1H),8.01(d,J = 2.4 Hz,1H),7.18(d,J = 3.6 Hz,1H),6.39(d,J = 3.3Hz,1H),3.86(s,3H)。
參考文獻(xiàn):
[1] Patent: WO2016/123392, 2016, A2. Location in patent: Paragraph 00786
[2] Patent: US2017/8889, 2017, A1. Location in patent: Paragraph 0149; 0150
[3] Bioorganic and Medicinal Chemistry, 2015, vol. 23, # 17, p. 5734 - 5739
[4] Beilstein Journal of Organic Chemistry, 2016, vol. 12, p. 309 - 313
[5] Marine Drugs, 2015, vol. 13, # 1, p. 460 - 492