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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 489347Generated: October 27, 2026

2,5-Dichlorobenzaldehyde → ethyl 4-(2,5-dichlorophenyl)-6-propyl-2,4-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylate

https://huagongshe.com/reaction/489347

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,5-DichlorobenzaldehydeHCID 80702—
ReactantEthyl 3-oxohexanoateHCID 238498—
ReactantHCID 178418806HCID 178418806—
Productethyl 4-(2,5-dichlorophenyl)-6-propyl-2,4-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylateHCID 178439511—

Reaction Steps

The title compound was prepared from 2,5-dichlorobenzaldehyde, 3-aminopyrazole and ethyl 3-ketohexanoate in the same manner as in Example 25.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06977262B2
Source datasetuspto-grants-2005_12
ORD IDord-8c4e62dd9fa24493b3f456ced1e8f833
Source noteuspto-grants-2005_12