Reference of 7343-34-2, 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. 7343-34-2, name is 3,5-Dimethyl-4H-1,2,4-triazole, molecular formula is C4H7N3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
General procedure: General method for preparation of all presented compounds is described below. Completion ofthe reactions was determined by TLC with bromocresol green solution as a stain.10 mmol of the appropriate azole (1H-1,2,4-triazole, 3-methyl-1H-1,2,4-triazole,3,5-dimethyl-1H-1,2,4-triazole, 1H-tetrazole or 5-methyl-1H-tetrazole) and 10 mmol of 1-adamantanecarboxylic acid were placed in 20 mL screwcap vial and dissolved in 10 mL of 98% concentratedsulfuric acid. The mixture was cooled to 0 C using an ice bath. After cooling, 10 mmol (1010mg) of potassium nitrate were added in small portions over the period of 30 min. Once all of thenitrate has been added, the ice bath was removed, and the mixture was stirred for another 4 h atroom temperature. After 4 h of stirring, reaction mixture was poured on 100 g of crushed ice withshaking and allowed to stand until it reached room temperature. Quenched mixture was filtered andneutralized with saturated NaHCO3 solution. Precipitate was filtered, washed with copious amountsof distilled water and dried in vacuum desiccator. Products are suciently pure for the synthesis ofcoordination compounds, but for the analysis the small portions of each compound were recrystallizedfrom the mixture of water/MeOH (9:1).
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Reference:
Article; Pavlov, Dmitry; Sukhikh, Taisiya; Filatov, Evgeny; Potapov, Andrei; Molecules; vol. 24; 15; (2019);,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics