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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 982759Generated: October 25, 2026

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

https://huagongshe.com/reaction/982759

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-meth anesulfonyloxymethyl-2H-pyridazin-3-oneHCID 21991618—
Product4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-oneHCID 2199156098.9%

Reaction Steps

Following the procedure of Example 1(10), 2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-methane-sulfonyloxymethyl-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted to yield the title compound as a pale brown oil (yield: 98.9%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06861428B2
Source datasetuspto-grants-2005_03
ORD IDord-c7bd4b3a1125496b88c2fecac6dc1419
Source noteuspto-grants-2005_03