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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1065184Generated: October 31, 2026

3,4,5,6-Tetrahydrophthalic anhydride → HCID 20541555, compound

https://huagongshe.com/reaction/1065184

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4,5,6-Tetrahydrophthalic anhydrideHCID 12475—
Reactant4-Chloro-2-fluoroanilineHCID 93898—
SolventAcetoneHCID 180—
ProductHCID 20541555HCID 20541555—

Reaction Steps

3,4,5,6-tetrahydrophthalic anhydride (7.7 g) and 2-fluoro-4-chloroaniline (7.2 g) were added to acetone (50 ml) and, after stirring at 50°-55° C. for 5 minutes, the reaction mixture was concentrated under reduced pressure. The resultant crystals were washed with n-hexane. Yield 13.2 g; m.p. 92°-94° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04328367
Source datasetuspto-grants-1982_05
ORD IDord-02da71f5a42d463fbc239880564cdc9f
Source noteuspto-grants-1982_05