1014613-64-9

基本信息
4-溴-2-甲基-1氫-吡咯并吡啶
4-溴-2-甲基-1H-吡咯并[2,3-B]吡啶
1H-Pyrrolo[2,3-b]pyridine, 4-broMo-2-Methyl-
4-Bromo-2-methyl-1H-pyrrolo[2,3-b]pyridine 95%
(2R,3R,4R,5R)-2-(Acetoxymethyl)-5-(6-amino-9H-purin-9-yl)tetrahydrofuran-3,4-diyl diacetate
物理化學(xué)性質(zhì)
制備方法

1014613-05-8
![4-溴-2-甲基-1H-吡咯并[2,3-B]吡啶](/CAS/GIF/1014613-64-9.gif)
1014613-64-9
以4-溴-2-甲基-1-(苯磺?;?-1H-吡咯并[2,3-b]吡啶為原料合成4-溴-2-甲基-1H-吡咯并[2,3-b]吡啶的一般步驟:向4-溴-2-甲基-1-(苯磺酰基)-1H-吡咯并[2,3-b]吡啶(16g,0.045mol)的1,4-二惡烷(320mL)溶液中加入2M氫氧化鈉水溶液(114mL,0.228mol)。將反應(yīng)混合物加熱至60℃,保持16小時(shí)。反應(yīng)完成后,將混合物冷卻至室溫。分離有機(jī)層,水層用乙酸乙酯萃取。合并有機(jī)相,用飽和食鹽水洗滌,無水硫酸鎂干燥,過濾后減壓濃縮,得到4-溴-2-甲基-1H-吡咯并[2,3-b]吡啶,為乳白色固體(10.07g,產(chǎn)率104%)。LC/MS(方法B):m/z 211/213 [M+H]+,保留時(shí)間1.04分鐘。
參考文獻(xiàn):
[1] Patent: WO2009/112475, 2009, A1. Location in patent: Page/Page column 62
[2] Bioorganic and Medicinal Chemistry Letters, 2009, vol. 19, # 9, p. 2504 - 2508
[3] Patent: US2010/160647, 2010, A1. Location in patent: Page/Page column 21
[4] Patent: WO2012/170752, 2012, A1. Location in patent: Page/Page column 42
[5] Bioorganic and Medicinal Chemistry, 2015, vol. 23, # 15, p. 4344 - 4353