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. 1206775-52-1, name is 5-Bromo-6-methoxypicolinaldehyde. A new synthetic method of this compound is introduced below., Computed Properties of C7H6BrNO2
To a stirred suspension of 5-bromo-6- methoxypicolinaldehyde (1.9 g, 8.6 mmol) in EtOH/water (22 mL, 10/1) hydroxylamine hydrochloride (1.2 g, 17.2 mmol) and sodium acetate (2.1 g, 25.8 mmol) were added. The mixture was stirred at room temperature for 1 hour, concentrated in vacuo, water (40 mL) was added and it was stirred for 1 hour. The solids were filtered off and washed with water to afford 5-bromo-6-methoxypicolinaldehyde oxime (1.8 g, 92%) as a beige solid. ?H NMR (CDC13, 300 MHz) 8.08 (s, 1H), 7.80 (d, I = 7.9 Hz, 1H), 7.54 (s, 1H), 7.21 (d, I = 7.9 Hz, 1H), 4.03 (s, 3H).
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Reference:
Patent; FORUM PHARMCEUTICALS INC.; ACHARYA, Raksha; BURNETT, Duane, A.; BURSAVICH, Matthew, Gregory; COOK, Andrew, Simon; HARRISON, Bryce, Alden; MCRINER, Andrew, J.; (451 pag.)WO2016/201168; (2016); A1;,
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