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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1072857Generated: November 2, 2026

Sulfuric Acid → HCID 22388023, compound

https://huagongshe.com/reaction/1072857

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 numberUS06911469B2
Source datasetuspto-grants-2005_06
ORD IDord-4076bc0ec8bd46808a5d0f17b66b5800
Source noteuspto-grants-2005_06