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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 913136Generated: October 30, 2026

6-(Piperidin-4-ylamino)-4-trifluoromethyl-nicotinic acid methyl ester dihydrochloride → 6-[1-(4-Chloro-3-ethoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamide

https://huagongshe.com/reaction/913136

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(Piperidin-4-ylamino)-4-trifluoromethyl-nicotinic acid methyl ester dihydrochlorideHCID 42604213—
Reactant6-[1-(4-Methoxy-3-propoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamideHCID 42604959—
Reactant4-Chloro-3-ethoxybenzaldehydeHCID 54775642—
Product6-[1-(4-Chloro-3-ethoxy-benzyl)-piperidin-4-ylamino]-4-trifluoromethyl-nicotinamideHCID 67400689—

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 6-(piperidin-4-ylamino)-4-trifluoromethyl-nicotinic acid methyl ester dihydrochloride (intermediate B7) and 4-chloro-3-ethoxy-benzaldehyde (intermediate E2) in a yield of 13.1 mg (19%). MS (ISP): 458.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026255B2
Source datasetuspto-grants-2011_09
ORD IDord-b5f6485afb3a4805956da372341a24a9
Source noteuspto-grants-2011_09