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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 409549Generated: October 29, 2026

Hydrochloric Acid → 3-(4-Fluorobenzyl)-1-methyl-6-[(1-pyridin-3-ylimidazo[1,5-a]pyridin-3-yl)carbonyl]quinazoline-2,4(1H,3H)-dione hydrochloride

https://huagongshe.com/reaction/409549

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant3-(4-Fluorobenzyl)-1-methyl-6-[(1-pyridin-3-ylimidazo[1,5-a]pyridin-3-yl)carbonyl]quinazoline-2,4(1H,3H)-dioneHCID 56597511—
SolventMethanolHCID 887—
SolventDiethyl EtherHCID 3283—
Product3-(4-Fluorobenzyl)-1-methyl-6-[(1-pyridin-3-ylimidazo[1,5-a]pyridin-3-yl)carbonyl]quinazoline-2,4(1H,3H)-dione hydrochlorideHCID 86683456—

Reaction Steps

0.35 ml (0.35 mmol) of a 1N solution of hydrochloric acid in dyethyl ether is added to 0.12 g (0.23 mmol) of 3-(4-fluorobenzyl)-1-methyl-6-[(1-pyridin-3-ylimidazo[1,5-a]pyridin-3-yl)carbonyl]quinazoline-2,4(1H,3H)-dione in 3 ml of methanol. After stirring for 1 hour at ambient temperature, the reaction medium is filtered. The precipitate obtained is rinsed with dyethyl ether, and dried under reduced pressure at 50° C. overnight. 0.12 g of a yellow solid is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08759344B2
Source datasetuspto-grants-2014_06
ORD IDord-11ca840eb4f64901b4e100a7fd00fa0b
Source noteuspto-grants-2014_06