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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2249411Generated: November 3, 2026

tert-Butyl piperazine-1-carboxylate → 4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-2H-pyridazin-3-one

https://huagongshe.com/reaction/2249411

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-(4-methyl-1-piperazinyl)methyl-2H-pyridazin-3-oneHCID 23094112—
Reactant2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-methanesulfonyloxymethyl-2H-pyridazin-3-oneHCID 23094121—
Product4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-2H-pyridazin-3-oneHCID 2309410597.6%

Reaction Steps

The general procedure of Example 1 (6) was repeated by use of 2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-methanesulfonyloxymethyl-2H-pyridazin-3-one and tert-butyl-1-piperazine carboxylate, to thereby yield the title compound as a yellow oil (yield: 97.6%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07314877B2
Source datasetuspto-grants-2008_01
ORD IDord-3ef5752c56e14660840990fdafbb666a
Source noteuspto-grants-2008_01