Extracurricular laboratory: Synthetic route of 6523-49-5

The chemical industry reduces the impact on the environment during synthesis 6523-49-5. I believe this compound will play a more active role in future production and life.

6523-49-5, The chemical industry reduces the impact on the environment during synthesis 6523-49-5, name is 4-(1,2,4-Triazol-1-yl)aniline, I believe this compound will play a more active role in future production and life.

To a stirred solution of l-(4-aminophenyl)-l,2,4-triazole (1.0 g, 6.25 mmol) in MeOH (10 mL) and water (10 mL) was added CaCO3 (1.2 g, 12.0 mmol), followed by a solution of iodine monochloride (1.2 g, 7.38 mmol) in MeOH (10 mL). The reaction mixture was stirred at r.t. for 1.5 h, and then partitioned between EtOAc (100 mL) and aqueous sat. Na2S2O3 (100 mL). The organic fraction was separated, washed with aqueous sat. Na2S2O3 (100 mL), then water (100 mL), brine (50 mL), dried (Na2SO4), filtered and concentrated in vacuo. Purification by column chromatography (SiO2, 0- 100% EtOAc/hexanes) gave the title compound (1.2 g, 67%). LCMS (ES+) 286.9 (M+eta)+, RT 2.78 minutes {Method 4).

The chemical industry reduces the impact on the environment during synthesis 6523-49-5. I believe this compound will play a more active role in future production and life.

Reference:
Patent; UCB PHARMA S.A.; WO2008/47109; (2008); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics