A common heterocyclic compound, the benzoxazole compound, name is Benzo[d]oxazol-2-amine,cas is 4570-41-6, mainly used in chemical industry, its synthesis route is as follows.,4570-41-6
2-Bromopyridine (1) (1 .Og, 6.3mmol), benzo[d]oxazol-2-amine (2) (0.871 g,6.4mmol), Xantphos (0.37g, 0.63mmol), and 052003 (3.09g, 9.4mmol) werecombined in dry 1,4-dioxane (l5mL). The reaction mixture was degassed with N2(g) and placed under vacuum for 10mm. Pd2(dba)3 (0.289g, 0.31 mmol) was then added and the resulting reaction mixture was heated at 90¡ãC for 30h. It was then poured onto demineralized water (200mL), and extracted with EtOAc (3 x lOOmL). The organic phases were combined, dried over Na2504, filtered and subsequentlyconcentrated in vacuo. The resulting residue was purified by flash chromatography with EtOAc/Hexane (1:1) to provide N-(pyridin-2-yl)benzo[d]oxazol-2-amine (3) as a yellow solid (0.8g, 60percent).LCMS (ES): Found 212.1 [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