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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 591464Generated: October 26, 2026

Sodium Hydroxide → (7-Chloro-6-hydroxy-1-benzofuran-3-yl)acetic acid

https://huagongshe.com/reaction/591464

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
Reactant8-Chloro-4-(chloromethyl)-7-hydroxy-2H-chromen-2-oneHCID 89767929—
SolventHydrochloric AcidHCID 313—
Product(7-Chloro-6-hydroxy-1-benzofuran-3-yl)acetic acidHCID 89767735—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 1N NaOH (56.7 mL) and 8-chloro-4-(chloromethyl)-7-hydroxy-2H-chromen-2-one (2.78 g) was stirred at 100° C. for 1 h. After cooling, the reaction mixture was acidified with 6N HCl (10 mL). The precipitate was collected by filtration to give the title compound (1.65 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09238639B2
Source datasetuspto-grants-2016_01
ORD IDord-9cb8e4a309144364acb0d39132346473
Source noteuspto-grants-2016_01