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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2168673Generated: October 29, 2026

(+/-)-trans-4-[6-Butyl-5-(4-cyclohexyloxy-phenyl)-pyridazin-3-yloxy]-3-fluoro-piperidine-1-carboxylic acid benzyl ester → (+/-)-trans-3-Butyl-4-(4-cyclohexyloxy-phenyl)-6-(3-fluoro-piperidin-4-yloxy)-pyridazine

https://huagongshe.com/reaction/2168673

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(+/-)-trans-4-[6-Butyl-5-(4-cyclohexyloxy-phenyl)-pyridazin-3-yloxy]-3-fluoro-piperidine-1-carboxylic acid benzyl esterHCID 86657795—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product(+/-)-trans-3-Butyl-4-(4-cyclohexyloxy-phenyl)-6-(3-fluoro-piperidin-4-yloxy)-pyridazineHCID 8665779678%

Reaction Steps

A mixture of (±)-trans-4-[6-butyl-5-(4-cyclohexyloxy-phenyl)-pyridazin-3-yloxy]-3-fluoro-piperidine-1-carboxylic acid benzyl ester (65 mg, 0.12 mmol) and 10% palladium on carbon (10 mg) in MeOH (5 mL) was stirred under an atmosphere of H2 for 1.5 hrs, filtered through celite and concentrated to provide (±)-trans-3-butyl-4-(4-cyclohexyloxy-phenyl)-6-(3-fluoro-piperidin-4-yloxy)-pyridazine (40 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045461B2
Source datasetuspto-grants-2015_06
ORD IDord-dcaba665890c41df9224b658703620f7
Source noteuspto-grants-2015_06