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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1702157Generated: October 30, 2026

Benzenamine, 3-ethynyl- → HCID 787763, compound

https://huagongshe.com/reaction/1702157

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 3-ethynyl-HCID 104682—
Reactant4-Nitrophthalic acid anhydrideHCID 230976—
SolventAcetic AcidHCID 176—
ProductHCID 787763HCID 78776387.9%

Reaction Steps

To a solution of 10.7 g (0.10 mole) of 4-nitrophthalic anhydride in 150 ml of glacial acetic acid was added 12.9 g (0.11 mole) of 3-ethynylaniline. A white precipitate formed immediately. The mixture was heated to reflux for 1 hour, then cooled and filtered. The precipitate was washed with water and methanol. Recrystallization from toluene gave 25.7 g (87% yield) of 4-nitro-N-(3-ethynylphenyl)phthalimide, m.p. 257°-259° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04380619
Source datasetuspto-grants-1983_04
ORD IDord-925afd8102ce44f697a3ed3a4ffaeed6
Source noteuspto-grants-1983_04