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
2-Bromo-5-fluoropyridine (1) (lOg, 5.7lmmol), benzo[d]oxazol-2-amine (2) (766mg, 5.7lmmol), Xantphos (0.33g, 0.S7mmol), and Cs2003 (2.79g, 8.S6mmol) were combined in dry 1,4-dioxane (l5mL). The reaction mixture was degassed with N2(g) and placed under vacuum for 10mm. Pd2(dba)3 (0.261g, 0.28mmol) was then addedand the resulting reaction mixture was heated at 9000 for 30h. It was then poured onto demineralized water (200mL), and extracted with EtOAc (3 x lOOmL). The organic phases were combined, dried over Na2SO4, filtered and subsequently concentrated in vacuo. The resulting residue was purified by flash chromatography with EtOAc/Hexane (1:1) to provide N-(5-fluoropyridin-2-yl)benzo[d]oxazol-2-amine(3) as a yellow solid (0.6g, 46percent).LCMS (ES): Found 230.1 [M+H].
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Reference£º
Patent; KARUS THERAPEUTICS LTD; SHUTTLEWORTH, Stephen Joseph; TOMASSI, Cyrille Davy; CECIL, Alexander Richard Liam; MACCORMICK, Somhairle; NODES, William John; SILVA, Franck Alexandre; WO2014/181137; (2014); A1;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem