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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1763520Generated: October 31, 2026

Potassium Iodide → HCID 20382001, compound

https://huagongshe.com/reaction/1763520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium IodideHCID 4875—
ReactantPotassium CarbonateHCID 11430—
Reactant4-Methoxybenzyl bromideHCID 165021—
ReactantPirquinozolHCID 135449340—
SolventMethanolHCID 887—
ProductHCID 20382001HCID 20382001—

Reaction Steps

210 g of p-methoxybenzyl bromide and 40 g of potassium iodide are added to 114 g of 2-(hydroxymethyl)pyrazolo[1,5-c]quinazolin-5(6H)-one and 276 g of potassium carbonate in 2 l. of methanol. After refluxing for 5 hours, the reaction is cooled, poured into 6 l. of water and the title compound is filtered off and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04112096
Source datasetuspto-grants-1978_09
ORD IDord-8910cdcd360949fb93684c919a864e46
Source noteuspto-grants-1978_09