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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2119620Generated: October 25, 2026

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

https://huagongshe.com/reaction/2119620

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[(4-fluorophenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acidHCID 12985693—
Reactant4-[(2-ethylphenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acidHCID 12985706—
Product9H-Pyrazolo[4,3-b]quinolin-9-one, 5-ethyl-1,4-dihydro-1-methyl-HCID 12985707—

Reaction Steps

The title compound was prepared according to the procedure of step 2 in EXAMPLE 1 using 4-[(2-ethylphenyl)amino]-1-methyl-1H-pyrazole-5-carboxylic acid (EXAMPLE 7, 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-8a559dc9e4d24f2c977a3694da13e018
Source noteuspto-grants-2004_02