Electric Literature of 1221171-96-5, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 1221171-96-5, name is 2-Chloro-4-iodo-6-(trifluoromethoxy)pyridine. This compound has unique chemical properties. The synthetic route is as follows.
2-Chloro-6-trifluoromethoxy isonicotinic acid (43); At 0 0C, butyllithium (1.56 M in hexane, 4.0 mL, 6.2 mmol, 0.67 eq) was added dropwise to a solution of butylmagnesium chloride (2M in THF, 1.5 mL, 3.0 mmol, 0.33 eq) in THF (8 mL), followed after 10 min by a solution of 2-chloro-4-iodo-6- trifluoro?iepsilonthoxypyridinepsilon (42, 3.0 g, 9.3 mmol, 1 eq) in THF (5 mL). After 10 min the reaction mixture was poured onto an excess of freshly crushed dry ice before being treated with an aqueous solution of sodium hydroxide (5%, 15 mL). The resulting aqueous layer was collected, washed with diethylether (10 mL) and acidified to pH 4 by dropwise addition of hydrochloric acid (6 N, 5 mL). After extraction with ethyl acetate (3 x 10 mL), the combined organic layers were dried over sodium sulfate before being evaporated to afford pure 2-chloro-6-trifluoromethoxy isonicotinic acid (43, 1.6 g, 6.6 mmol, 71%) as a white powder; m.p. 65-68 0C.1H NMR (CDCl3, 300 MHz): delta = 10.12 (br s, 1 H), 7.88 (d, J = 0.9 Hz, 1 H), 7.56 (d, J = 0.9 Hz, 1 H). – 19F NMR (CDCl3, 282 MHz): delta = -57.3 – 13C NMR (CDCl3, 75 MHz): delta = 167.6, 156.3, 150.4, 143.0, 122.5, 120.2 (q, J = 260 Hz), 113.5. – C7H3ClF3NO3 (241): calcd. (%) C 34.81, H 1.25, N 5.80; found C 34.64, H 1.55, N 5.76.
According to the analysis of related databases, 1221171-96-5, the application of this compound in the production field has become more and more popular.
Reference:
Patent; BAYER CROPSCIENCE AG; PAZENOK, Sergii; VORS, Jean-Pierre; LEROUX, Frederic, R.; MANTEAU, Baptiste; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE; UNIVERSITE DE STRASBOURG; WO2010/40461; (2010); A1;,
Pyridine – Wikipedia,
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