In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 1133123-02-0 as follows. Product Details of 1133123-02-0
To a solution of 4-bromo-2-iodobenzoic acid (10.2 g) in tetrahydrofuran (100 mL)/N,N-dimethylformamide (20 mL) were added copper(I) iodide (0.592 g) and potassium carbonate (10.7 g) at room temperature, and the mixture was stirred at 40 C. for 10 min. To the reaction mixture was added 2H-1,2,3-triazole (4.29 g), and the mixture was stirred at 70 C. for 12 hr under nitrogen atmosphere. The solvent was evaporated under reduced pressure, the residue was diluted with water, and 6N hydrochloric acid (40 mL) was added thereto at 0 C. The precipitate was collected by filtration, washed with water, and added to warm ethyl acetate (300 mL). The insoluble substance was removed by filtration, the filtrate was washed with saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was dissolved in tetrahydrofuran (250 mL), and sodium tert-butoxide (3.29 g) was added thereto at 0 C. The mixture was stirred at room temperature for 16 hr under dried atmosphere, and the precipitate was collected by filtration, and washed with tetrahydrofuran (50 mL). The obtained solid was dissolved in water (40 mL), to the aqueous solution was added 1N hydrochloric acid (31 mL) at 0 C., and the mixture was stirred at the same temperature for 2 hr. The precipitate was collected by filtration, washed with cold water (20 mL), and dried to give the title compound (5.33 g). MS: [M+H]+ 267.9, 269.9.
According to the analysis of related databases, 1133123-02-0, the application of this compound in the production field has become more and more popular.
Reference:
Patent; TAKEDA PHARMACEUTICAL COMPANY LIMITED; KAMEI, Taku; ARIKAWA, Yasuyoshi; OHASHI, Tomohiro; IMAEDA, Toshihiro; FUJIMORI, Ikuo; MIKI, Takashi; YONEMORI, Jinichi; OGURO, Yuya; SUGIMOTO, Takahiro; SETO, Masaki; NISHIDA, Goushi; KAMATA, Makoto; IMOTO, Hiroshi; (132 pag.)US2018/155333; (2018); A1;,
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