Electric Literature of 16681-70-2, New Advances in Chemical Research in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 16681-70-2, name is 1H-[1,2,3]Triazole-4-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
[0780] 3H-1,2,3-triazole-5-carboxylic acid (2.5 mg, 22f.tmol) was combined with HATU (8.4 mg, 22 f.tmol) in DMF(0.3 mL) and stirred for 10 minutes; Et3N (1 eq.) was addedand the mixture was stirred for 1 minute. Compound 2 (22f.tmol) was dissolved in DMF (0.5 mL) and Et3N (3.1 f.LL, 22f.tmol) was added, followed by addition of the activated acidsolution. The mixture was stirred for 30 minutes, concentrated,and purified by preparative HPLC to yield the titlecompound. MS m/z [M + Ht calc’ d for C24H27CIFN 50 3 , 488.18; found 488.2.
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Reference:
Patent; THERAVANCE BIOPHARMA R&D IP, LLC; Fleury, Melissa; Beausoliel, Anne-Marie; Hughes, Adam D.; Long, Daniel D.; Wilton, Donna A.A.; US2015/210690; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics