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ChemicalBook CAS DataBase List 3-iodo-1-methyl-4-nitro-1H-pyrazole

3-iodo-1-methyl-4-nitro-1H-pyrazole synthesis

3synthesis methods
-

Yield: 0.4 g

Reaction Conditions:

with sulfuric acid;nitric acid at 60; for 2 h;

Steps:

3-iodo-1-methyl-4-nitro-1H-pyrazole
0.42 g (2 mmol) of 3-iodo-1-methyl-1H-pyrazole was dissolved in 3 ml of concentrated sulfuric acid,0.21 g (2.2 mmol) of concentrated nitric acid was added dropwise, and the reaction was completed at 60 ° C. for 2 hours.The reaction solution was poured into crushed ice to precipitate a white solid, which was then dried by filtration to obtain 0.4 g.

References:

Nanjing Gurui Biological Technology Co., Ltd.;Mei Yan CN110734456, 2020, A Location in patent:Paragraph 0396-0399