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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 217699Generated: October 26, 2026

Hydrazine hydrate (1:1) → 3-Chloro-6-hydrazinyl-4,5-dimethylpyridazine

https://huagongshe.com/reaction/217699

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant3,6-Dichloro-4,5-dimethylpyridazineHCID 21187505—
SolventWaterHCID 962—
Product3-Chloro-6-hydrazinyl-4,5-dimethylpyridazineHCID 12648042—

Reaction Conditions

Temperature90 °C

Reaction Steps

3,6-Dichloro-4,5-dimethylpyridazine (W4.006; 29.0 g) was admixed with 160 ml of hydrazine monohydrate solution (160 ml) and heated to 90° C. while stirring for 4 h. The reaction mixture was admixed with water and the precipitate was filtered off with suction, washed with water and dried over phosphorus pentoxide. 27.2 g of the title compound were obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08198272B2
Source datasetuspto-grants-2012_06
ORD IDord-7172efe03999411cb5cd199afe862700
Source noteuspto-grants-2012_06