Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2109258Generated: October 30, 2026

2-Hydrazinopyridine → HCID 21097342, compound

https://huagongshe.com/reaction/2109258

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-HydrazinopyridineHCID 78645—
ReactantEthyl 3-oxovalerateHCID 78656—
Reactant5-cyclopropyl-1-(propan-2-yl)-1H-pyrazole-4-carbaldehydeHCID 19620135—
ProductHCID 21097342HCID 21097342—

Reaction Steps

5-Ethyl-1-pyridin-2-yl-1H-pyrazole-4-carbaldehyde was prepared from ethyl 3-oxo-pentanoate and 2-pyridyl hydrazine in the same manner as 5-cyclopropyl-1-isopropyl-1H-pyrazole-4-carbaldehyde (Example 49).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07514458B2
Source datasetuspto-grants-2009_04
ORD IDord-4d683414f9034d51bdf1a3eb3c724b3f
Source noteuspto-grants-2009_04