New learning discoveries about 19932-85-5

19932-85-5, The synthetic route of 19932-85-5 has been constantly updated, and we look forward to future research findings.

19932-85-5, 6-Bromobenzo[d]oxazol-2(3H)-one is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

EXAMPLE 121 6-Bromo-3-trityl-3 H-benzooxazol-2-one 6-Bromo-3H-benzooxazol-2-one (0.165 g, 0.77 mmol) was added portionwise into a 0 C. suspension of NaH (44.8 mg, 1 mmol, 55%) in dry DMF (4 ml). After 1 hour stirring at room temperature, a solution of triphenylmethylchloride (0.24 g, 0.85 mmol) in DMF (0.5 ml) was added. The reaction mixture was stirred 1 hour at room temperature then quenched with H2O (15 ml). The aqueous phase was extracted with ethyl acetate, the combined organic phases were washed with H2O and brine, dried over Na2SO4 and concentrated to provide 6-bromo-3-trityl-3H-benzooxazol-2-one (0.27 g, 77%) as a beige solid, MS: Mm/e=457.1 (M+H+).

19932-85-5, The synthetic route of 19932-85-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Alanine, Alexander; Buettelmann, Bernd; Neidhart, Marie-Paule H.; Jaeschke, Georg; Pinard, Emmanuel; Wyler, Rene; US2001/47031; (2001); A1;,
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