With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.89976-56-7,5-Methylbenzo[d]isoxazol-3-amine,as a common compound, the synthetic route is as follows.
Benzoic isoxazol-3-bis(N,N-t-butoxycarbonyl)amine (122): To a solution of 121 (148 mg, 1 mmol) in DCM (2 mL) was added di-t-butyldicarbonate (546 mg, 2.5 mmol), DIEA (0.348 mL, 2 mmol), and DMAP (22.2 mg, 1 mmol) at O0C. The reaction was warmed up to RT and stirred for 4 hr and then diluted with ethyl acetate and treated with aqueous ammonium chloride to pH 6. The organic layer was separated and washed with brine and concentrated in vacuo. The residue purified by silica gel chromatography using 100% hexane as the eluent to yield 122 (347 mg, 100%), LC-MS (ESI) m/z 348.8.
The synthetic route of 89976-56-7 has been constantly updated, and we look forward to future research findings.
Reference£º
Patent; DAIAMED, INC.; WO2006/108039; (2006); A2;,
Benzisoxazole – Wikipedia
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