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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1371533Generated: November 1, 2026

Malonic Acid → 3-amino-3-(2,3-dihydro-1,4-benzodioxin-6-yl)propanoic acid

https://huagongshe.com/reaction/1371533

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMalonic AcidHCID 867—
Reactant2,3-Dihydro-1,4-benzodioxin-6-carbaldehydeHCID 248127—
ReactantAmmonium AcetateHCID 517165—
SolventEthanolHCID 702—
Product3-amino-3-(2,3-dihydro-1,4-benzodioxin-6-yl)propanoic acidHCID 353645028.9%

Reaction Steps

A mixture of 5 g of 2,3-dihydrobenzo[1,4]dioxine-6-carbaldehyde, 3.17 g of malonic acid and 4.69 g of ammonium acetate in 50 ml of EtOH is refluxed for 5 hours. The reaction mixture is allowed to cool to RT and the precipitate formed is filtered off by suction and washed with EtOH and then with water. 1.965 g of the expected product are obtained after drying under vacuum.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07157454B2
Source datasetuspto-grants-2007_01
ORD IDord-24aa4dc4f9044169ba58e0a9c056c3b4
Source noteuspto-grants-2007_01