Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1589843Generated: November 1, 2026

Sodium Hydroxide → HCID 19770972, compound

https://huagongshe.com/reaction/1589843

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantHCID 19770953HCID 19770953—
SolventEthanolHCID 702—
ProductHCID 19770972HCID 19770972—

Reaction Conditions

Temperature100 °C

Reaction Steps

To 0.40 g (1.83 mmol) of ethyl 7-ethylpyrazolo[1,5-a]pyridine-3-carboxylate, 8 ml of 2.5N aq. NaOH solution and 8 ml of ethanol were added, followed by stirring at 100° C. for 8 hours. After the reaction, post treatments were conducted in a similar manner to the syntheses bf the 5-methyl and 2,7-dimethyl derivatives so that crystals were obtained. Yield: 0.34 g (1.79 mmol) (98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05200415
Source datasetuspto-grants-1993_04
ORD IDord-411e970b60a749c9aa5326c383e916da
Source noteuspto-grants-1993_04