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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2083711Generated: November 1, 2026

Acetic Anhydride → 3-Methoxycarbonyl-2-benzylidenepropanoic acid

https://huagongshe.com/reaction/2083711

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant2-Benzylidenebutanedioic acidHCID 222998—
Product3-Methoxycarbonyl-2-benzylidenepropanoic acidHCID 54158161—

Reaction Steps

2-Carboxymethyl-3-phenylpropenoic acid (4.1 g.) and acetic anhydride (9 ml.) are heated in the steam bath for 70 minutes. The mixture is concentrated to dryness and the residue triturated with ether, yield 3.6 g. This anhydride is dissolved in 7 ml. of methanol and heated in the steam bath for 1 hour.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04086338
Source datasetuspto-grants-1978_04
ORD IDord-4f95cac6eeb5427a97011d187ecfc144
Source noteuspto-grants-1978_04