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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1763602Generated: November 3, 2026

Acetohydrazide → 6-(2-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]pyridazine

https://huagongshe.com/reaction/1763602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetohydrazideHCID 14039—
Reactant3-Chloro-6-(2-fluorophenyl)pyridazineHCID 12449555—
Solvent1-ButanolHCID 263—
Product6-(2-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]pyridazineHCID 12726823—

Reaction Steps

As in Example 36, a mixture of 2.5 g. of 3-chloro-6-(o-fluorophenyl)-pyridazine and 1.76 g. of acetylhydrazine in 50 ml. of n-butanol is refluxed for 48 hrs. to give 2.0 g. of product as off-white crystals, m.p. 147°-149° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04112095
Source datasetuspto-grants-1978_09
ORD IDord-e33034c14a694ea8907693d91868e635
Source noteuspto-grants-1978_09