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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 386524Generated: November 2, 2026

Dichloromethane → 4,5-Bis(chloromethyl)-2H-1,3-benzodioxole

https://huagongshe.com/reaction/386524

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantThionyl ChlorideHCID 24386—
ReactantHCID 596054HCID 596054—
Product4,5-Bis(chloromethyl)-2H-1,3-benzodioxoleHCID 16100400—

Reaction Steps

A 0° C. solution of (4-hydroxymethyl-1,3-benzodioxol-5-yl)methanol (8.55 g, 47.0 mmoles) from Example 58A in anhydrous methylene chloride (50 mL) was treated dropwise with thionyl chloride (17 mL, 235 mmoles). The mixture was stirred one hour at room temperature and then concentrated under reduced pressure to afford the title compound. MS (DCI) m/z 218 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08372841B2
Source datasetuspto-grants-2013_02
ORD IDord-74c6da05d8c1496ca81502230a1f3db0
Source noteuspto-grants-2013_02