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. 25813-25-6, name is 3,5-Dibromopyridin-4-ol. This compound has unique chemical properties. The synthetic route is as follows. Quality Control of 3,5-Dibromopyridin-4-ol
In a round-bottom flask, equipped with a stirrer, thermometer and reflux condenser, mix under nitrogen in the specified order: 120 mL of phosphoryl chloride and 38 g (150 mmol) of BCD-BTK-104-9. Stir the reaction mass at 70 C for 3 hours, cool it to 40 C, and pour on ice, while stirring vigorously. Filter the precipitate, wash with water, and dry under vacuum at 40 C. Yield: 36.7 g (91%).
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Reference:
Patent; JOINT STOCK COMPANY “BIOCAD”; GAVRILOV, Aleksey Sergeevich; ALESHUNIN, Pavel Aleksandrovich; GORBUNOVA, Svetlana Leonidovna; REKHARSKY, Mikhail Vladimirovich; KOZHEMYAKINA, Natalia Vladimirovna; KUKUSHKINA, Anna Aleksandrovna; KUSHAKOVA, Anna Sergeevna; MIKHAYLOV, Leonid Evgen`evich; MOLDAVSKY, Alexander; POPKOVA, Aleksandra Vladimirovna; SILONOV, Sergey Aleksandrovich; SMIRNOVA, Svetlana Sergeevna; IAKOVLEV, Pavel Andreevich; (197 pag.)WO2018/92047; (2018); A1;,
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