Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1351525Generated: October 26, 2026

4-[(5,6-Dichloro-pyridazin-4-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester → 4-[(Pyridazin-4-ylamino)-methyl]-piperidine

https://huagongshe.com/reaction/1351525

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[(5,6-Dichloro-pyridazin-4-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl esterHCID 10135291—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Product4-[(Pyridazin-4-ylamino)-methyl]-piperidineHCID 22135587—

Reaction Steps

A mixture of 4-[(5,6-dichloro-pyridazin-4-ylamino)-methyl]-piperidine-1-carboxylic acid benzyl ester (EXAMPLE 65, 2.00 g, 5.06 mmol), Pd/C (10%, 0.20 g) in absolute ethanol (15 mL) was vigorously stirred under 1 atm H2 provided by a H2 balloon for 7 h. Filtered and concentrated, the reaction gave 4-[(Pyridazin-4-ylamino)-methyl]-piperidine. M.S. (M+1): 193.25

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07217716B2
Source datasetuspto-grants-2007_05
ORD IDord-cc01037aec8f478fb7edbfe563ebff65
Source noteuspto-grants-2007_05