Application of 2734-70-5, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 2734-70-5, name is 2,6-Dimethoxyaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.
To a solution of 2,6-dimethoxyaniline (0.51 g, 3.3 mmol) and 5-methylnicotinonitrile (0.39 g, 3.3 mmol) in toluene (10 ml) at 0° C. was added dropwise TMS-OTf (1.2 ml, 6.5 mmol). The resulting mixture was stirred at 0° C. for 10 min and heated to 110° C. for 2 days. The reaction mixture was cooled to 0° C., quenched with 1N HCl (10 mL) solution and diluted with EtOAc. The organic layer was washed with 1N HCl solution and dried over sodium sulfate, decanted and concentrated to give a brown oil. The residue was added to a silica gel (40 g) column and was eluted with 0-100percent 1percent Et3N/EtOAc in DCM. Collected fractions to give Compound 7a (0.65 g, 73percent yield) as an off white solid. MS m/z=272.2 (M+H). 1H NMR (500 MHz, CHLOROFORM-d) delta 8.90 (s, 1H), 8.56 (s, 1H), 8.24 (s, 1H), 7.07 (t, J=8.3 Hz, 1H), 6.68 (d, J=8.3 Hz, 2H), 4.76 (br s, 2H), 3.84 (s, 6H), 2.43 (s, 3H).
The synthetic route of 2,6-Dimethoxyaniline has been constantly updated, and we look forward to future research findings.
Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; Pi, Zulan; Bilder, Donna M.; Brigance, Robert Paul; Finlay, Heather; Jiang, Wen; Johnson, James A.; Lawrence, R. Michael; Meng, Wei; Myers, Michael C.; Phillips, Monique; Tora, George O.; Zhang, Xiaojun; (59 pag.)US2017/275272; (2017); A1;,
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