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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1471808Generated: October 30, 2026

Phenylhydrazine → HCID 178490900, compound

https://huagongshe.com/reaction/1471808

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
ReactantEthyl 4-chloro-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylateHCID 53665897—
ProductHCID 178490900HCID 178490900—

Reaction Conditions

Temperature90 °C

Reaction Steps

A suspension of compound 3 and 10 equivalents of phenyl hydrazine was stirred at 90° C. for 16 hours. Reaction was quenched with iced water. The aqueous layer was removed, residue was suspended in ethanol and stirred with 1N NaOH solution at room temperature for 1 hour. pH was adjusted to 5 using acetic acid and solvent was removed in vacuo. Compound 4 was collected by filtration.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09012470B2
Source datasetuspto-grants-2015_04
ORD IDord-8d98d11e5c3041d38e21729098d05b86
Source noteuspto-grants-2015_04