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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 7929Generated: October 25, 2026

tert-Butyl piperazine-1-carboxylate → 4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-2H-pyridazin-3-one

https://huagongshe.com/reaction/7929

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-methane-sulfonylo xy-methyl-2H-pyridazin-3-oneHCID 21991399—
Reactant4-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-oneHCID 67214099—
Product4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-2H-pyridazin-3-oneHCID 2199160994.3%

Reaction Steps

Following the procedure of Example 1 (10), 6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-methane-sulfonyloxy-methyl-2H-pyridazin-3-one and tert-butyl 1-piperazine-carboxylate were reacted to yield the title compound as a yellow oil (yield: 94.3%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087606B2
Source datasetuspto-grants-2006_08
ORD IDord-d070f2e59f204245b53f8b942c85a307
Source noteuspto-grants-2006_08