Benzo[d]oxazol-6-amine, cas is 177492-52-3, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,177492-52-3
A solution of benzo[djoxazol-6-amine (0.500 g, 3.727 mmol), methanesulfonyl chloride (0.317 mL, 4.100 mmol) and triethylamine (0.779 mL, 5.591 mmol) in dichloromethane (3 mL) was stirred at the room temperature for 3 hr. Then, water was added to the reaction mixture, followed by extraction with dichloromethane. The organic layer was washed with aqueous saturated sodium chloride solution, dried with anhydrous Mg504, filtered, and concentrated in vacuo. The residue was chromatographed (5i02, 4 g cartridge; ethyl acetate / hexane = 0 % to 50 %) to give N(benzo[djoxazol-6-yl)methanesulfonamide as purple solid (0.351 g, 44.4 %).
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Reference£º
Patent; CHONG KUN DANG PHARMACEUTICAL CORP.; LEE, Jaekwang; HAN, Younghue; KIM, Yuntae; CHOI, Daekyu; MIN, Jaeki; BAE, Miseon; YANG, Hyunmo; KIM, Dohoon; (644 pag.)WO2017/18803; (2017); A1;,
Benzoxazole – Wikipedia
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