The important role of 89001-53-6

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Adding a certain compound to certain chemical reactions, such as: 89001-53-6, name is 2-Methyl-4-nitrobenzonitrile, belongs to nitriles-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 89001-53-6, Quality Control of 2-Methyl-4-nitrobenzonitrile

To a refluxing mixture of 2-methyl-4-nitro-benzonitrile (32.4 g, 0.2 mol) and NBS (44.470 g, 0.25 mol) in CC14 (300 ml) was added AIBN (0.325 g) and the resultant reaction mixture was refluxed for 4 hours. The reaction mixture was treated with AIBN (0.325 g, 31 mmol) and refluxed further for 4 hours. The reaction mixture was filtered, and the filtered succinimide was washed with CCl4. The filtrate was concentrated in vacuo to provide a bromo compound (46 g). The bromo compound was dissolved in MeCN (200 ml), and to the reaction mixture was added homophthalic anhydride (30.780 g, 0.19 mol) at room temperature and under inert atmosphere. The reaction mixture was then treated with a solution of triethylamine (84 ml, 0.6 mol) in acetonitrile (100 ml). The reaction mixture was refluxed for 8 hours. The precipitate that formed was removed by filtration and washed with MeCN (100 ml). The washed precipitate was suspended in DMF (300 ml), which was heated at 130 C, then cooled and filtered. The resultant solid was washed with DMF (100 ml) and dried under vacuum to provide Compound 53a as a pale yellow solid (18.310 g, 33%). 1H-NMR (DMSO-d6): 8, 4.09 (s, 2H), 7.56 (m, 1H), 7. 81-7. 82 (m, 2H), 8.17 (d, J = 8.4 Hz, 1H), 8.26-8. 34 (m, 2H), 8.44 (s, 1H), 12.47 (s, 1H).

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Reference:
Patent; INOTEK PHARMACEUTICALS CORPORATION; WO2005/82368; (2005); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts