Electric Literature of 6523-49-5, New Advances in Chemical Research in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic,A common heterocyclic compound, 6523-49-5, name is 4-(1,2,4-Triazol-1-yl)aniline, molecular formula is C8H8N4, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
Compound 10-a (114 mg, 0.71 mmol) and compound 5 (100 mg, 0.24 mmol) were dissolved in n-butanol (2 mL), p-toluene sulfonic acid monohydrate (180 mg, 0.95 mmol) was added. The mixture was heated to 110 C. and stirred for 16 hours. After cooled to room temperature, the mixture was stirred for further 30 minutes, and there was solid precipitated. After filtration, the solid was purified by preparation HPLC (mobile phase:acetonitrile, water (0.05% trifluoroacetic acid); gradient: 60%-90%-10%) to give yellow solid T-10 (25 mg, yield: 19%). LC-MS (ESI): m/z=547 [M+H]+. (0164) 1H-NMR (400 MHz, CDCl3) delta: 8.58 (d, J=4 Hz, 2H), 8.41 (s, 1H), 8.13 (s, 1H), 8.09 (d, J=6 Hz, 1H), 7.92 (d, J=9 Hz, 2H), 7.71 (d, J=9 Hz, 2H), 7.49 (d, J=6 Hz, 1H), 4.66 (d, J=9 Hz, 2H), 4.25 (d, J=9 Hz, 2H), 3.45 (s, 2H), 3.10 (q, J=6 Hz, 2H), 1.43 (t, J=6 Hz, 3H) ppm
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Reference:
Patent; SHANGHAI CHEMEXPLORER CO., LTD.; XU, Zusheng; ZHANG, Nong; SUN, Qingrui; WANG, Tinghan; US2015/336982; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics