Benzo[d]oxazol-2-amine, cas is 4570-41-6, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,4570-41-6
General procedure: A mixture of (4-chloro-6-methylpyrimidin-2-yl)aminosulfonyl chloride (8) (1 mmol), benzoxazol-2-amine (2a)/benzothiazol-2-amine (2b)/1H-benzimidazol-2-amine (2c)/(benzoxazol-2-yl) methanamine (3a)/(benzothiazol-2-yl)methanamine (3b)/(1H-benzimidazol-2-yl)methanamine (3c), (2.2 mmol), dry ethanol (8 ml) and acatalytic amount of methanesulfonic acid (0.4 ml) wererefluxed for 3?5 h. The contents of the flask were cooledand diluted with water (25 ml). The separated solid wasfiltered, washed with water, dried and recrystallized from 2-propanol.
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Reference£º
Article; Seenaiah, Dandu; Rekha, Tamatam; Padmaja, Adivireddy; Padmavathi, Venkatapuram; Medicinal Chemistry Research; vol. 26; 2; (2017); p. 431 – 441;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem