10201-71-5

基本信息
2-氨基-3-甲氧基吡啶
2-氨基-3-甲氧基吡啶(CAS號:10201-71-5)
3-Methoxypyridin-2-amine
2-Amino-3-methoxypyridine
3-Methoxy-2-aMinopyridine
2-PyridinaMine, 3-Methoxy-
2-Amino-3-methoxypyridine, >=98%
2-Amino-3-methoxypyridine ISO 9001:2015 REACH
物理化學(xué)性質(zhì)
安全數(shù)據(jù)
制備方法

20265-37-6

10201-71-5
在氮?dú)獗Wo(hù)下,將2-硝基-3-甲氧基吡啶(32 g,208 mmol)溶于乙酸乙酯(150 mL)和甲醇(35 mL)的混合溶劑中,加入10%鈀碳催化劑(1.5 g,1.4 mmol)。用氫氣置換反應(yīng)體系三次后,在氫氣氛圍下攪拌反應(yīng)混合物3小時(shí)。反應(yīng)完成后,再次用氮?dú)庵脫Q體系三次,通過硅藻土墊過濾反應(yīng)混合物,并用乙酸乙酯(2×35 mL)洗滌濾餅。合并濾液,減壓濃縮,高真空干燥,得到2-氨基-3-甲氧基吡啶25.8 g(產(chǎn)率100%)。產(chǎn)物經(jīng)LC-MS分析顯示m/z:125.0(MH+);1H NMR(300 MHz,CDCl3)δ:7.66(m,1H),6.90(m,1H),6.61(m,2H),4.64(s,br,2H),3.83(s,3H)。
參考文獻(xiàn):
[1] Patent: US2013/210818, 2013, A1. Location in patent: Paragraph 0380
[2] Patent: WO2009/115572, 2009, A2. Location in patent: Page/Page column 114-115
[3] Patent: WO2014/206903, 2014, A1. Location in patent: Page/Page column 15; 16
[4] Green Chemistry, 2017, vol. 19, # 3, p. 809 - 815
[5] Patent: WO2013/92739, 2013, A1. Location in patent: Page/Page column 16