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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 444095Generated: October 29, 2026

Thionyl Chloride → 2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid chloride

https://huagongshe.com/reaction/444095

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3,3-Dimethyl-2,3-dihydro-1-benzofuran-5-carboxylic acidHCID 22041399—
Product2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid chlorideHCID 54500736127.7%

Reaction Steps

The product of stage (a) (3 g) was boiled under reflux in thionyl chloride (3.6 g) for 3 hours. Removal of the thionyl chloride under vacuum gave crude title product (4.2 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04263037
Source datasetuspto-grants-1981_04
ORD IDord-e892632284b0435a993f4e96d43c9caf
Source noteuspto-grants-1981_04