66298-49-5

基本信息
4,6-DIIODO-2-METHYLPYRIMIDINE
Pyrimidine, 4,6-diiodo-2-methyl-
4,6-DIIODO-2-METHYLPYRIMIDINE ISO 9001:2015 REACH
制備方法

1780-26-3

66298-49-5
以4,6-二氯-2-甲基嘧啶為原料合成4,6-二碘-2-甲基嘧啶的一般步驟: 關(guān)鍵中間體6-碘-2-甲基嘧啶-4-基胺的合成(部分A): 在室溫下,將碘化鉀(3.5M水溶液,30.0mL)加入到含有4,6-二氯-2-甲基嘧啶(5.00g,0.03mol)和碘化鈉(23.0g,0.15mol)的丙酮(150mL)溶液中。反應(yīng)混合物在室溫下攪拌16小時(shí)后,倒入冰水混合物(約1:1,250mL)中,并使其緩慢升溫至室溫。通過(guò)抽濾收集形成的固體,并用去離子水洗滌。將固體在空氣中干燥,得到4,6-二碘-2-甲基嘧啶(9.80g,收率92%),為灰白色固體。LC-MS(m/z):347([M+H]+)。
參考文獻(xiàn):
[1] Patent: WO2007/75852, 2007, A2. Location in patent: Page/Page column 33
[2] Patent: US2007/197523, 2007, A1. Location in patent: Page/Page column 8
[3] Patent: WO2017/12576, 2017, A1. Location in patent: Page/Page column 99
[4] Patent: WO2018/137619, 2018, A1. Location in patent: Page/Page column 52; 78
[5] Patent: WO2018/137618, 2018, A1. Location in patent: Page/Page column 46; 57; 58