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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330875Generated: October 29, 2026

Chlorine → 3,4,6-Trichloropyridazine

https://huagongshe.com/reaction/330875

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
Reactant3,6-DichloropyridazineHCID 67331—
ReactantAluminum(III) ChlorideHCID 6451240—
Product3,4,6-TrichloropyridazineHCID 95123145.7%

Reaction Steps

44 g 3,6-dichloropyridazine and 22 g aluminium trichloride are heated to 140° C. At this temperature 10.6 l chlorine are piped into the reaction mixture over 4 hours. After cooling the product is extracted with toluene, washed with a 10% sodium chloride solution and distilled (bp=127-129° C.). 44.1 g of product are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877758B2
Source datasetuspto-grants-2014_11
ORD IDord-763d0cd33294438abf0376a94b7cd9bd
Source noteuspto-grants-2014_11