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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8044Generated: October 25, 2026

tert-Butyl piperazine-1-carboxylate → 2-cyclopropylmethyl-4-[3-(4-tert-butoxycarbonyl-1-piperazinyl)propyl]-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-one

https://huagongshe.com/reaction/8044

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-(3-metha nesulfonyloxypropyl)-2H-pyridazin-3-oneHCID 21991559—
Reactant4-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-oneHCID 67214099—
Product2-cyclopropylmethyl-4-[3-(4-tert-butoxycarbonyl-1-piperazinyl)propyl]-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-oneHCID 2199139876.9%

Reaction Steps

Following the procedure of Example 1 (10), 2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-(3-methanesulfonyloxypropyl)-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted to yield the title compound as a yellow oil (yield: 76.9%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087606B2
Source datasetuspto-grants-2006_08
ORD IDord-ef49fa90d7724a8e96e40b5cbe4b435d
Source noteuspto-grants-2006_08