Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 1441723-24-5, name is 4-Amino-2-fluoro-5-methoxybenzonitrile, A new synthetic method of this compound is introduced below., Application In Synthesis of 4-Amino-2-fluoro-5-methoxybenzonitrile
General procedure: In a sealed vial, i-(benzenesulfonyl)-6-chloro-indole-3-sulfonyl chloride XII-19 (i92 mg, 0.49 mmol) was dissolved in pyridine (4 mL) under argon. 2,i,3-benzoxadiazol-5-amine(i35 mg, i mmol) was added and stirred at room temperature overnight. The reaction mixture was evaporated to dryness then the residue was taken into DCM. The organic phase was washed with HCI i N and brine, dried over Mg504 and evaporated. The dark oil residue solidified on standing and was then triturated in ACN/water (8/2), sonicated and filtered, washed with water and dried under vacuum to provide i70 mg of ii(benzenesulfonyl)-N-(2,i ,3-benzoxadiazol-5-yl)-6-chloro-indole-3-sulfonamide 1-201 a as a yellow solid.Yield: 7i%.Basic LCMS Method i (ES-): 487 (M-H)-, iOO % purity.1H NMR (400 MHz, DMSO-d6)oe ii.52(s, iH), 8.99(s, iH), 8.i6-8.iO (m, 2H), 7.98(d, J= i .8 Hz, i H), 7.9i (dd, J = 9.i, 3.2 Hz, 2H), 7.63 (t, J = 7.5 Hz, i H), 7.56 – 7.5i (m, 2H),7.43 – 7.36 (m, 2H), 7.25 (dd, J = 9.6, i .9 Hz, i H).
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.
Reference:
Patent; UCB PHARMA GMBH; MUELLER, Christa E.; PEGURIER, Cecile; DELIGNY, Michael Louis Robert; EL-TAYEB, Ali; HOCKEMEYER, Joerg; LEDECQ, Marie; MERCIER, Joel; PROVINS, Laurent; BOSHTA, Nader M.; BHATTARAI, Sanjay; NAMASIVAYAM, Vigneshwaran; FUNKE, Mario; SCHWACH, Lukas; GOLLOS, Sabrina; VON LAUFENBERG, Daniel; BARRE, Anais; (493 pag.)WO2018/122232; (2018); A1;,
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