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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1699877Generated: November 1, 2026

Sulfuric Acid → HCID 22388023, compound

https://huagongshe.com/reaction/1699877

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantHCID 22388550HCID 22388550—
SolventWaterHCID 962—
ProductHCID 22388023HCID 2238802381.2%

Reaction Conditions

Temperature100 °C

Reaction Steps

2-(2,4-Dichlorobenzyl)-3-methyl-7-(methylcarbamoyl)-4(3H)-quinazolinone (0.88 g) in a mixture of concentrated sulfuric acid (2.0 g) and water (2.0 g) was stirred at 100° C. for 7 hr. After cooling of the reaction mixture, water (5 ml) was added. The precipitate was collected by filtration, washed with methanol and dried to give the objective compound (0.69 g) as white crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06348474B1
Source datasetuspto-grants-2002_02
ORD IDord-232347b99a3041cbab556428cbe2e6ed
Source noteuspto-grants-2002_02