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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1361434Generated: October 30, 2026

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

https://huagongshe.com/reaction/1361434

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-hydroxymethy-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 numberUS07880001B2
Source datasetuspto-grants-2011_02
ORD IDord-7a28a5b7fed24fd1b7869c5f77da1917
Source noteuspto-grants-2011_02