20876-37-3

基本信息
2-甲基-3-硝基苯基芐醚
2-BENZYLOXY-6-NITROTOLUENE
3-NITRO-2-METHYL PHENOL BENZYL ETHER
BENZYL 3-NITRO-O-TOLYL ETHER
O2NC6H3(CH3)OCH2C6H5
物理化學(xué)性質(zhì)
制備方法

5460-31-1

100-39-0

20876-37-3
一般步驟:將41.5 g (300 mmol)碳酸鉀和200 mL N,N-二甲基甲酰胺加入至含有30.6 g (200 mmol) 2-甲基-3-硝基苯酚的反應(yīng)瓶中。在氬氣保護(hù)下,向反應(yīng)體系中緩慢滴加23.8 mL (200 mmol)芐基溴,室溫攪拌反應(yīng)3小時。反應(yīng)完成后,將反應(yīng)液倒入1000 mL水中,用800 mL甲苯萃取,重復(fù)萃取一次(500 mL甲苯)。合并有機(jī)相,依次用水和飽和氯化鈉水溶液洗滌,無水硫酸鎂干燥。減壓濃縮有機(jī)相,得到49.3 g黃色粉末狀1-芐氧基-2-甲基-3-硝基苯,收率定量。Rf值:0.48(展開劑:正己烷/乙酸乙酯=4:1,v/v)。質(zhì)譜(CI, m/z):244 [M+1]+。1H-NMR (CDCl3, δ ppm):2.42 (s, 3H), 5.13 (s, 2H), 7.08-7.11 (m, 1H), 7.21-7.27 (m, 1H), 7.32-7.44 (m, 6H)。
參考文獻(xiàn):
[1] Patent: US2009/12123, 2009, A1. Location in patent: Page/Page column 9-10
[2] Patent: WO2005/117909, 2005, A2. Location in patent: Page/Page column 119
[3] Journal of the Chemical Society, 1948, p. 1605,1608
[4] Heterocycles, 1981, vol. 16, # 7, p. 1119 - 1124
[5] Patent: EP1870099, 2007, A1. Location in patent: Page/Page column 14