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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1757567Generated: October 28, 2026

Oxalic acid dihydrate → HCID 19388576, compound

https://huagongshe.com/reaction/1757567

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalic acid dihydrateHCID 61373—
ReactantHCID 9820797HCID 9820797—
SolventDiethyl ether ethanolHCID 21585056—
ProductHCID 19388576HCID 1938857650%

Reaction Steps

763 Milligrammes (6.1 mmoles) of dihydrate oxalic acid dissolved in 20 ml of a mixture of ethyl ether-ethyl alcohol in a ratio of 5:1 are added to 2.00 grammes (6.1 mmoles) of 1-benzyl-6-chloro-3-[2-(diethylamino)ethyl]-2,3-dihydro-4(1H)-quinazolinone and the product, which immediately crystallizes, is recovered through filtration with a yield of 50%. The product obtained has the following chemical-physical characteristics:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05446152
Source datasetuspto-grants-1995_08
ORD IDord-b41137e1343d47b099c3512fceafa79e
Source noteuspto-grants-1995_08