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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 572173Generated: October 30, 2026

(4-(Benzyloxy)phenyl)hydrazine monohydrochloride → 1-[4-(Benzyloxy)phenyl]-3-ethyl-1H-pyrazolo[3,4-b]pyridine

https://huagongshe.com/reaction/572173

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-(Benzyloxy)phenyl)hydrazine monohydrochlorideHCID 3016725—
Reactant1-(2-Chloropyridin-3-YL)propan-1-oneHCID 14644971—
SolventEthanolHCID 702—
Product1-[4-(Benzyloxy)phenyl]-3-ethyl-1H-pyrazolo[3,4-b]pyridineHCID 8670498225.7%

Reaction Conditions

Temperature170 °C

Reaction Steps

1-(2-Chloropyridin-3-yl)propan-1-one (600 mg) and [4-(benzyloxy)phenyl]hydrazine hydrochloride (976 mg) were dissolved in ethanol (10 ml), and the mixture was stirred under microwave irradiation at 170° C. for 3 hr, and concentrated. The residue was purified by basic silica gel column chromatography (hexane/ethyl acetate) to give the title compound (300 mg). MS (API+): [M+H]+ 330.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029388B2
Source datasetuspto-grants-2015_05
ORD IDord-9cc6a8df27f04689872441414797be2b
Source noteuspto-grants-2015_05