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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2355613Generated: October 30, 2026

6-[1-(4-Methoxy-3-propoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamide → 5-[1-(4-Chloro-3-ethoxy-benzyl)-piperidin-4-ylamino]-pyrazine-2-carboxylic acid amide

https://huagongshe.com/reaction/2355613

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-[1-(4-Methoxy-3-propoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamideHCID 42604959—
Reactant4-Chloro-3-ethoxybenzaldehydeHCID 54775642—
Reactant5-(Piperidin-4-ylamino)-pyrazine-2-carboxylic acid methyl ester dihydrochlorideHCID 67399609—
Product5-[1-(4-Chloro-3-ethoxy-benzyl)-piperidin-4-ylamino]-pyrazine-2-carboxylic acid amideHCID 67401445—

Reaction Steps

The title compound was prepared in analogy to the synthesis of 6-[1-(4-methoxy-3-propoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamide (example 197) from 5-(piperidin-4-ylamino)-pyrazine-2-carboxylic acid methyl ester dihydrochloride (intermediate B14) and 4-chloro-3-ethoxy-benzaldehyde (intermediate E2) in a yield of 12.1 mg (21%). MS (ISP): 390.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07754744B2
Source datasetuspto-grants-2010_07
ORD IDord-e10e91dbd8bf4f03a4b82ef73bd3eadc
Source noteuspto-grants-2010_07