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. 39846-84-9, name is Ethyl 5-nitro-1H-pyrazole-3-carboxylate, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C6H7N3O4
(Step 3) Production of ethyl 5-amino-3-pyrazolecarboxylate To a solution of ethyl 5-nitro-3-pyrazolecarboxylate (331.48 g) in tetrahydrofuran (1.5 L) and ethyl acetate (1.5 L) was added 7.5% palladium carbon (30.036 g), and the mixture was stirred overnight at room temperature under a hydrogen atmosphere. The catalyst was filtered off, the filtrate was concentrated, and the resulting solid was recrystallized with ethyl acetate/hexane to obtain the title compound (265.38 g) as white crystals.
According to the analysis of related databases, 39846-84-9, the application of this compound in the production field has become more and more popular.
Reference:
Patent; JAPAN TOBACCO, INC.; US2009/36450; (2009); A1;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics