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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 7936Generated: October 25, 2026

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

https://huagongshe.com/reaction/7936

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-isobutyl-4-methanesulfonyloxy-6-phenyl-2H-pyridazin-3-oneHCID 21991554—
Reactant4-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-oneHCID 67214099—
SolventDimethylformamideHCID 6228—
Product4-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-2-isobutyl-6-phenyl-2H-pyridazin-3-oneHCID 6721338683.5%

Reaction Steps

Following the procedure of Example 1 (10), 2-isobutyl-4-methanesulfonyloxy-6-phenyl-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted in N,N-dimethylformamide as a solvent to yield the title compound as a yellow oil (yield: 83.5%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087606B2
Source datasetuspto-grants-2006_08
ORD IDord-3644b3e033524ed4a71bf1b7ba9b6fa0
Source noteuspto-grants-2006_08