113206-03-4

基本信息
3-甲氧基-2-氯苯胺
2-Chloro-3-methoxyaniline
2-chloro-3-methoxyl-aniline
2-Chloro-3-methoxybenzenamine
(2-Chloro-3-methoxyphenyl)amine
Benzenamine, 2-chloro-3-methoxy-
3-AMino-2-chloroanisole[2-Chloro-3-Methoxyaniline]
1,3-ADAMANTANEDIMETHANOL,ALPHA,ALPHA,ALPHA'',ALPHA'
1,3-ADAMANTANEDIMETHANOL,ALPHA,ALPHA,ALPHA'',ALPHA''-TETRAMETHYL-(6CI)
物理化學(xué)性質(zhì)
制備方法

3970-39-6

113206-03-4
以2-氯-3-硝基苯甲醚為原料合成2-氯-3-甲氧基苯胺的一般步驟:將2-氯-3-硝基苯甲醚(1.38 g, 7.36 mmol)溶解于冰醋酸(19 mL)與乙腈(19 mL)的混合溶劑中。向該溶液中加入鐵粉(1.64 g, 29.4 mmol)。將反應(yīng)混合物在回流條件下攪拌3.5小時(shí)。反應(yīng)完成后,將混合物用水(70 mL)稀釋,并用固體碳酸鈉(Na2CO3)中和。隨后,用二氯甲烷(3×150 mL)萃取產(chǎn)物。合并有機(jī)相,用飽和食鹽水洗滌,無(wú)水硫酸鈉(Na2SO4)干燥,過(guò)濾后減壓濃縮,得到粗產(chǎn)物2-氯-3-甲氧基苯胺(1.2 g,收率100%),呈黃色油狀。該產(chǎn)物無(wú)需進(jìn)一步純化,直接用于下一步反應(yīng)。質(zhì)譜(MS)分析顯示分子離子峰為157.9(MH)+;高效液相色譜(HPLC,TFA作為添加劑)在220 nm波長(zhǎng)下的純度為86%。
參考文獻(xiàn):
[1] Patent: WO2004/103996, 2004, A1. Location in patent: Page 42-43
[2] Patent: WO2006/7700, 2006, A1. Location in patent: Page/Page column 62
[3] Patent: US2006/19905, 2006, A1. Location in patent: Page/Page column 25
[4] Patent: WO2006/85, 2006, A1. Location in patent: Page/Page column 77-78
[5] Chemistry - A European Journal, 2017, vol. 23, # 42, p. 9996 - 10000