Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1535-73-5, name is 3-Trifluoromethoxyaniline, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C7H6F3NO
The title compound was prepared according to procedures similar to those described in Example 1 starting from 2-bromo-5-trifluoromethoxy-aniline, which was obtained as follows:A solution of 3-trifluoromethoxy-aniline (1.77 g) in toluene (20 ml) was treated with Lambda/-bromosuccinimide (1.87 g) at ambient temperature and the reaction mixture was stirred for 2 hours at ambient temperature, quenched by addition of water and the mixture extracted with ethyl acetate (3x 50 ml). The combined organic extracts were washed with aqueous sodium hydrogen carbonate (saturated), dried over sodium sulfate and then concentrated in vacuo. The residue was purified by chromatography on silica gel (eluent: cyclohexane / ethyl acetate 95:5) to afford 4-bromo-3-trifluoromethoxy-aniline (270 mg) and 2-bromo-5- trifluoromethoxy-aniline (1.45 g), which were both characterized by mass and NMR spectra. 4-bromo-3-trifluoromethoxy-aniline: MS (ES+) 256 / 258 (MH+); IH NMR (400 MHz, CDCl3) 3.5 (brs, 2H), 6.5 (d, IH), 6.7 (s, IH), 7.3 (d, IH). 2-bromo-5-trifluoromethoxy- aniline: MS (ES+) 256 / 258 (MH+); IH NMR (400 MHz, CDCl3) 4.2 (brs, 2H), 6.5 (d, IH), 6.6 (s, IH), 7.4 (d, IH).
Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1535-73-5.
Reference:
Patent; SYNGENTA PARTICIPATIONS AG; CASSAYRE, Jerome Yves; PITTERNA, Thomas; CORSI, Camilla; MAIENFISCH, Peter; WO2011/3684; (2011); A1;,
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