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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2119619Generated: October 23, 2026

4-[(4-fluorophenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acid → 9H-Pyrazolo[4,3-b]quinolin-9-one, 7-ethyl-1,4-dihydro-1-methyl-

https://huagongshe.com/en/reaction/2119619

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[(4-fluorophenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acidHCID 12985693—
Reactant4-[(4-ethylphenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acidHCID 12985704—
Product9H-Pyrazolo[4,3-b]quinolin-9-one, 7-ethyl-1,4-dihydro-1-methyl-HCID 12985705—

Reaction Steps

The title compound was prepared according to the procedure of step 2 in EXAMPLE 1 using 4-[(4-ethylphenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acid (EXAMPLE 6, step 1), instead of 4-[(4-fluorophenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06686373B2
Source datasetuspto-grants-2004_02
ORD IDord-15dbdd85974c44e89b3a3ddfe0f2e59c
Source noteuspto-grants-2004_02