Related Products of 1009-35-4, The chemical industry reduces the impact on the environment during synthesis 1009-35-4, name is 4-Fluoro-3-nitrobenzonitrile, I believe this compound will play a more active role in future production and life.
Step l:4-(2-Hydroxy-ethoxy)-3-nitro-benzonitrile (3_28_2) [00222] Sodium (1.038 g, 45.2 mmol) was added to a mixture of ethylene glycol (28.03 g, 0.451 mol) in tetrahydrofuran (20 mL) at room temperature. After all sodium was consumed, 4-fluoro-3-nitro-benzonitrile 3_28_1 (5.0 g, 30.1 mmol) in tetrahydrofuran (10 mL) was added at -10¡ãC and the reaction mixture was stirred at room temperature for 3 hours. The reaction mixture was quenched by adding ice- water and neutralized to pH 7 using dilute hydrochloric acid at 0¡ãC. The mixture was extracted with ethyl acetate and the extract was washed with brine, dried over sodium sulfate and concentrated to dryness. The residue was purified by crystallization from ethyl acetate/hexanes to give the desired product (4.45 g, 71 percent yield) as a light yellow solid. [00223] NM (400 MHz, DMSO-d6): delta = 3.60-3.79 (m, 2H), 4.17-4.37 (m, 2H), 4.94 (t, J = 5.3 Hz, 1H), 7.56 (d, J = 8.8 Hz, 1H), 8.09 (dd, J = 8.9, 2.2 Hz, 1H), 8.45 (d, J = 2.0 Hz, 1H). [00224] MS (ES ) m/z: [M-H]’ calcd for C9H7N2O4: 207.18. Found: 206.90.
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 4-Fluoro-3-nitrobenzonitrile, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; AICURIS GMBH & CO. KG; KLENKE, Burkhard; WIEGAND, Irith; SCHIFFER, Guido; BROETZ-OESTERHELT, Heike; MAITI, Samarendra N.; KHAN, Jehangir; REDDY, Andhe; YANG, Zhixiang; HENA, Mostafa; JIA, Guofeng; LIGONG, Ou; LIANG, Hong; YIP, Judy; GAO, Chuanjun; TAJAMMUL, Sabiha; MOHAMMAD, Rahim; BISWAJEET, Ganguli; WO2013/110643; (2013); A1;,
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