3889-13-2, 5-Nitro-2,3-dihydro-1,3-benzoxazol-2-one is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
was added K2CO3 (4.22 g, 30.50 mmol), followed by methyl iodide (5.21 mL, 83.00 mmol) and stirring was continued at ambient temperature for 12 h. The reaction mixture was cooled to 0C and diluted with ice water (150 mL). The resulting suspension was stirred at ambient temperature for 1 h. The solid that formed was filtered, dried under reduced pressure, to obtain Intermediate 32B (4.50 g, 83.00%) as a yellow solid. 1H NMR (300 MHz, DMSOd6) G ppm 7.57 (d, J = 8.69 Hz, 1 H), 8.09 (dd, J = 8.69, 2.27 Hz, 1 H), 8.21 (d, J = 2.64 Hz, 1 H), 3.43 (s, 3 H). LCMS (Method H): retention time 1.23 min, [M+H] 195.2., 3889-13-2
The synthetic route of 3889-13-2 has been constantly updated, and we look forward to future research findings.
Reference£º
Patent; BRISTOL-MYERS SQUIBB COMPANY; YADAV, Navnath Dnyanoba; BHIDE, Rajeev S.; BORA, Rajesh Onkardas; GUNAGA, Prashantha; PANDA, Manoranjan; PRIESTLEY, Eldon Scott; RICHTER, Jeremy; (444 pag.)WO2018/222795; (2018); A1;,
Benzoxazole – Wikipedia
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