5-(Trifluoromethyl)benzo[d]oxazole, cas is 1267217-46-8, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,1267217-46-8
General procedure: In a two-necked flask equipped with a reflux condenser were placed RhH(PPh3)4 (4 mol%, 11.5 mg), 1,2-bis(diphenylphosphino)ethane (8 mol%, 8.0 mg), 1,3-benzothiazole 5 (0.25 mmol, 27.3 mL), and (alpha-phenylthio)isobutyrophenone 6 (0.25 mmol, 64.0 mg) in chlorobenzene (0.25 mL) under an argon atmosphere, and the solution was heated at reflux for 3 h. The mixture was purified by flash column chromatography on silica gel giving 7 (55.8 mg, 92%) and isobutyrophenone 8 (34.3 mg, 93%) with the recovery of 5 (3.5 mg, 10%) and 6 (0.8 mg, 1%).
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Reference£º
Article; Arisawa, Mieko; Toriyama, Fumihiko; Yamaguchi, Masahiko; Tetrahedron Letters; vol. 52; 18; (2011); p. 2344 – 2347;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem