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. 887707-23-5, name is 2-Hydroxy-5-iodo-3-(trifluoromethyl)pyridine. This compound has unique chemical properties. The synthetic route is as follows. name: 2-Hydroxy-5-iodo-3-(trifluoromethyl)pyridine
A mixture of compound 2d2 (115.7 g, 400 mmol) and PhPOCl2 (668.6 g, 343 mmol) under N2 is stirred at 136 C. overnight, then cooled to room temperature and added slowly to 3 L of crushed ice. The aqueous mixture is adjusted to pH 6 and filtered. The aqueous filtrate is extracted with DCM (3 L) then the organic phase is washed with saturated NaHCO3 and brine, dried over Na2SO4, filtered and concentrated to provide compound 2d3.
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Reference:
Patent; Beaulieu, Pierre L.; Coulombe, Rene; Fazal, Gulrez; Goulet, Sylvie; Poirier, Martin; Rancourt, Jean; Stammers, Timothy; Thavonekham, Bounkham; US2008/45516; (2008); A1;,
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