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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 429668Generated: October 30, 2026

Methanimidamide, hydrochloride (1:1) → HCID 178524252, compound

https://huagongshe.com/reaction/429668

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanimidamide, hydrochloride (1:1)HCID 10313058—
ReactantHCID 18355342HCID 18355342—
SolventEthanolHCID 702—
ProductHCID 178524252HCID 17852425255.4%

Reaction Steps

To a solution of ethyl 3-aminophthalic acid (1.00 g) in ethanol (10 ml) was added formamidine hydrochloride (444 mg) and refluxed for 12 hours. After cooling, the formed precipitate was collected by vacuum filtration and the precipitate was washed with ethanol to give 4-hydroxyquinazoline-5-carboxylic acid (504 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06316482B1
Source datasetuspto-grants-2001_11
ORD IDord-f2df6bd751af49a08fc15fe6930748cc
Source noteuspto-grants-2001_11