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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 65041Generated: October 26, 2026

1,3-Benzodioxole-5-carboxylic acid → 1,3-Benzodioxole-5-carbonyl chloride

https://huagongshe.com/reaction/65041

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Benzodioxole-5-carboxylic acidHCID 7196—
ReactantThionyl ChlorideHCID 24386—
Product1,3-Benzodioxole-5-carbonyl chlorideHCID 2734749—

Reaction Steps

In 6 ml of thionyl chloride was suspended 5.0 g of piperonylic acid. The suspension was refluxed for 8 hours. Excess volume of thionyl chloride was evaporated off under reduced pressure to give crude crystals of piperonylic acid chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04612321
Source datasetuspto-grants-1986_09
ORD IDord-1d11c5876e414d0185f4cd42bc97df70
Source noteuspto-grants-1986_09