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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1613231Generated: October 31, 2026

Phthalic Anhydride → HCID 19775565, compound

https://huagongshe.com/reaction/1613231

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhthalic AnhydrideHCID 6811—
ReactantHCID 19775574HCID 19775574—
SolventAcetonitrileHCID 6342—
ProductHCID 19775565HCID 1977556566.7%

Reaction Steps

3 g of 2,4-dimethyl-5-(4-aminobenzyl)thiazole are dissolved in 75 ml of acetonitrile, and 2 g of phthalic anhydride are added in portions. The medium is stirred for 6 hours at room temperature and the precipitate is then filtered off and washed with ethyl acetate to give 3.3 g of 2-[4-((2,4-dimethylthiazol-5-yl)methyl)phenylaminocarbonyl]benzoic acid in the form of crystals melting at 182° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05192781
Source datasetuspto-grants-1993_03
ORD IDord-41a674eba94b4a57997f3a0b912cc894
Source noteuspto-grants-1993_03