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. 78760-60-8, name is 5-(Benzyloxy)picolinonitrile. This compound has unique chemical properties. The synthetic route is as follows. Product Details of 78760-60-8
Step 2:5-Benzyloxy-pyridine-2-carboxamidine (3_60_3) [00484] Butyllithium (1.6N in hexane, 168 mL, 269 mmol) was added to a solution of hexamethyldisilazane (56.5 mL, 269 mmol) in tetrahydrofuran (250 mL) at 0C, and stirred at 0C for 1 hour to form lithium hexamethyldisilazide (LHMDS). A solution of compound 3_60_2 (22.6 g, 107.6 mmol) in tetrahydrofuran (250 mL) was added slowly at 0C, and the mixture was warmed to room temperature slowly and stirred for 16 hours at room temperature. A IN hydrochloric acid solution (300 mL) was added to the reaction mixture to give a precipitate which was collected to give pure compound 3_60_3 (17 g, 70 % yield). From the mother liquor an additional amount of crude compound 3_60_3 (10 g) was obtained as a gum. [00485] NMR (400 MHz, DMSO-d6): delta = 5.32 (s, 2H), 7.32-7.52 (m, 5H), 7.78 (dd, J = 8.8, 2.9 Hz, 1H), 8.25 (d, J = 8.6 Hz, 1H), 8.54 (d, J = 2.7 Hz, 1H), 9.18 (s, 2H), 9.32 (s, 2H).
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Reference:
Patent; AICURIS GMBH & CO. KG; KLENKE, Burkhard; WIEGAND, Irith; SCHIFFER, Guido; BROETZ-OESTERHELT, Heike; MAITI, Samarendra N.; KHAN, Jehangir; REDDY, Andhe; YANG, Zhixiang; HENA, Mostafa; JIA, Guofeng; LIGONG, Ou; LIANG, Hong; YIP, Judy; GAO, Chuanjun; TAJAMMUL, Sabiha; MOHAMMAD, Rahim; BISWAJEET, Ganguli; WO2013/110643; (2013); A1;,
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