1026796-81-5

基本信息
N-(4-溴-2-吡啶基)乙酰胺
N-(4-溴吡啶-2-基)醋胺石
N-(4 - 溴吡啶-2 - 基)乙酰胺
N-(4-BroMopyridin-2-yl)acetaMide
N-(4-BROMO-2-PYRIDINYL)-ACETAMIDE
ACETAMIDE, N-(4-BROMO-2-PYRIDINYL)-
N-(4-Bromopyridin-2-yl)acetamide[N/A
物理化學(xué)性質(zhì)
制備方法

84249-14-9

75-36-5

1026796-81-5
在0℃條件下,向4-溴吡啶-2-胺(3.11g,17.98mmol)的二氯甲烷(60mL)溶液中依次加入乙酰氯(1.406mL,19.77mmol)和吡啶(1.745mL,21.57mmol)。將反應(yīng)混合物緩慢升溫至室溫并持續(xù)攪拌2小時。反應(yīng)完成后,用水淬滅反應(yīng),并用乙酸乙酯稀釋。分離有機(jī)層,依次用水和飽和食鹽水洗滌,無水硫酸鈉干燥,減壓濃縮,得到N-(4-溴吡啶-2-基)乙酰胺(3.82g,17.05mmol,收率95%)為白色固體。所得產(chǎn)物無需進(jìn)一步純化即可用于后續(xù)反應(yīng)。LCMS(ESI)m/e 215.0 [(M + H)+,計算值C7H8Br1N2O2, 215.0];LC/MS保留時間(方法A):2.61分鐘。
參考文獻(xiàn):
[1] Patent: WO2014/140077, 2014, A1. Location in patent: Page/Page column 60
[2] Patent: WO2015/153720, 2015, A1. Location in patent: Page/Page column 20; 21
[3] Patent: WO2017/59085, 2017, A1. Location in patent: Page/Page column 20; 21
[4] Patent: WO2014/78257, 2014, A1. Location in patent: Page/Page column 118
[5] Patent: WO2015/116492, 2015, A1. Location in patent: Page/Page column 80