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. 22236-10-8, name is 4-(Difluoromethoxy)aniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. 22236-10-8
1-[(6-AMINOPYRIDIN-3-YL) METHYL]-3-{[4-(DIFLUOROMETHOXY) phenyl] AMINO} ? 4-PHENYL- 1H-PYRROLE-2, 5-dione A mixture OF TERT-BUTYL {5- [ (3-CHLORO-2, 5-dioxo-4-phenyl-2, 5-dihydro-1H-pyrrol-1- yl) methyl] PYRIDIN-2-YL} CARBAMATE (0.70 g, 1.7 mmol) and 4- (difluoromethoxy) aniline (0.54 g, 3.4 mmol) in DMF (4 mL) was heated in a microwave reactor at 150C for 8 min.. The solvent was evaporated and the residue was purified on a pre-packed SIO2COLUMN (ISOLUTE0 SI, lOg/70 mL) using CH2C12 and then CH30HL CH2CL2 (1: 99,2 : 98 and then 5: 95) as eluant to give 0.4 g (54%) of the title COMPOUND. 1H NMR (400 MHz, CDC13) 8 7.99 (bs, 1H), 7.67-7. 62 (m, 2H), 7.14-7. 04 (m, 3H), 6.91 (d, J =8 Hz, 2H), 6.78 (d, J=8 Hz, 1H), 6.72 (d, J=9 Hz, 2H), 6.63 (d, J=9 Hz, 2H), 6.33 (t, J=74 Hz, 1H) and 4.60 (s, 2H).
The synthetic route of 22236-10-8 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; ASTRAZENECA AB; WO2005/5416; (2005); A1;,
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