Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1961682Generated: October 29, 2026

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

https://huagongshe.com/reaction/1961682

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 numberUS08415354B2
Source datasetuspto-grants-2013_04
ORD IDord-a996b42ef23844b39ff244a7ab5cc1a0
Source noteuspto-grants-2013_04