Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2276941Generated: October 31, 2026

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

https://huagongshe.com/reaction/2276941

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 numberUS09133145B2
Source datasetuspto-grants-2015_09
ORD IDord-f2100a8990e8403e911ae02f22ebfeb8
Source noteuspto-grants-2015_09