ChemicalBook CAS DataBase List Pyrazolo[4,3-c]pyrazole-3-carboxylic acid, 1,4-dihydro-6-nitro- (9CI)

Pyrazolo[4,3-c]pyrazole-3-carboxylic acid, 1,4-dihydro-6-nitro- (9CI) synthesis

6synthesis methods

Product Name:Pyrazolo[4,3-c]pyrazole-3-carboxylic acid, 1,4-dihydro-6-nitro- (9CI)
CAS Number:161155-32-4
Molecular formula:C5H3N5O4
Molecular Weight:197.11

123-54-6 Synthesis

123-54-6
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Pyrazolo[4,3-c]pyrazole-3-carboxylic acid, 1,4-dihydro-6-nitro- (9CI)

161155-32-4
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Yield:-

Steps:

Multi-step reaction with 7 steps
1: sodium nitrite; hydrogenchloride / water
2: hydrazine
3: hydrazine / ethanol
4: sodium nitrite; acetic acid / water / 5 h / 0 - 5 °C
5: acetic acid / ethyl acetate
6: nitric acid; trifluoroacetic acid
7: sulfuric acid; sodium dichromate

References:

Zhang, Jiaheng;Shreeve, Jean'ne M.;Parrish, Damon A. [Chemistry - An Asian Journal,2014,vol. 9,# 10,p. 2953 - 2960]

161155-31-3 Synthesis