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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1769799Generated: October 29, 2026

Hydroquinone → 2H-1-Benzopyran-2-one, 3,4-dihydro-6-hydroxy-4-phenyl-

https://huagongshe.com/reaction/1769799

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroquinoneHCID 785—
Reactant2-Propenoic acid, 3-phenyl-HCID 8784—
SolventDiethyl EtherHCID 3283—
Product2H-1-Benzopyran-2-one, 3,4-dihydro-6-hydroxy-4-phenyl-HCID 387190797%

Reaction Steps

6-Hydroxy-4-phenyl-3,4-dihydrocoumarin (II) was prepared in a similar way in 97% yield from cinnamic acid and hydroquinone. M.p. 138° (IPE-Ether).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05382600
Source datasetuspto-grants-1995_01
ORD IDord-174443c4a93a460595856fe5ea147f40
Source noteuspto-grants-1995_01