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. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, This compound has unique chemical properties. The synthetic route is as follows., 4928-87-4
A mixture of 5-(8-azabicyclo[3.2.1]octan-3-yl)-3-(6-phenylpyridin-3-yl)-8s9- di ydropyrazolo[l,5-a]pyrido[3,2-e]pyrirnidin-6(7H)-one (43.7 mg, 0.097 mmoL), Mn02 (42.2 mg, 0.48 mmoL) in DMF (3 mL) and CH2C12 (ImL)was heated at 120C overnight. The reaction mixture was cooled to room temperature and Mn02 was removed by filtration. 1H- l,2,4-triazole-3-carboxylic acid (12.2 mg, 0.11 mmoL), EDC (34.4 mg, 0.18mmoL), HOBt (24.3 mg, 0.18 mmoL) and DIEA (93.9 uL, 0.53 mmoL) was added and the mixture was stirred at room temperature for 2h. Purification with prep-LC provided 5-(8-(4H-l,2,4-triazole-3- carbonyl)-8-azabicyclo[ 3.2.1] octan-3 -yl)-3 -(6-phenylpyridin-3 -yl)pyrazolo [1,5 -a]pyrido [3 ,2- e]pyrimidin-6(9H)-one: LCMS tR = 2.18 Min (10 mm run, UV 254rim). Mass calculated for, M+ 543.2, observed LC/MS m/z 544.2 (M+H).
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Reference:
Patent; SCHERING CORPORATION; MENG, Zhaoyang; REDDY, Panduranga Adulla, P.; SIDDIQUI, M. Arshad; MANDAL, Amit, K.; LIU, Duan; ZHAO, Lianyun; MCRINER, Andrew; WO2012/27234; (2012); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics