New downstream synthetic route of 457097-93-7

The chemical industry reduces the impact on the environment during synthesis Methyl 4-amino-3-(trifluoromethoxy)benzoate. I believe this compound will play a more active role in future production and life.

Reference of 457097-93-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 457097-93-7, name is Methyl 4-amino-3-(trifluoromethoxy)benzoate, This compound has unique chemical properties. The synthetic route is as follows.

[Step 1] 4-[(Ethylsulfonyl)amino]-3-(trifluoromethoxy)benzoic acid Using methyl 4-amino-3-(trifluoromethoxy)benzoate (300 mg) and ethanesulfonyl chloride (0.724 ml), synthesis was carried out in the same manner as in Step 1 of Example 8 to obtain the title compound (408 mg) as a solid. 1H-NMR (DMSO-D6) delta: 1.25 (3H, t, J=7.3 Hz), 3.27 (2H, q, J=7.3 Hz), 7.69 (1H, d, J=9.2 Hz), 7.80-7.84 (1H, m), 7.91 (1H, dd, J=8.5, 1.8 Hz), 10.27 (1H, s), 13.31 (1H, br s). MS (ESI/APCI) m/z: 312 [M-H]-

The chemical industry reduces the impact on the environment during synthesis Methyl 4-amino-3-(trifluoromethoxy)benzoate. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Daiichi Sankyo Company, Limited; Ota, Masahiro; Inoue, Hidekazu; Kawai, Junya; Ohki, Hitoshi; Toki, Tadashi; (25 pag.)US2019/284198; (2019); A1;,
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