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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1968336Generated: October 30, 2026

Trifluoroacetic acid → 2-{4-(2-({(2-(4-Chlorophenyl)-1,3-thiazol-4-yl)methyl}sulfanyl)-3,5-dicyano-6-(propyl-amino)pyridin-4-yl)phenoxy}ethyl L-alaninate trifluoroacetate

https://huagongshe.com/reaction/1968336

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant2-{4-(2-({(2-(4-Chlorophenyl)-1,3-thiazol-4-yl)methyl}sulfanyl)-3,5-dicyano-6-(propylamino)pyridin-4-yl)phenoxy}ethyl N-(tert-butoxycarbonyl)-L-alaninateHCID 68765419—
SolventDichloromethaneHCID 6344—
Product2-{4-(2-({(2-(4-Chlorophenyl)-1,3-thiazol-4-yl)methyl}sulfanyl)-3,5-dicyano-6-(propyl-amino)pyridin-4-yl)phenoxy}ethyl L-alaninate trifluoroacetateHCID 46850940—

Reaction Steps

873 mg (1.191 mmol) of 2-{4-(2-({(2-(4-chlorophenyl)-1,3-thiazol-4-yl)methyl}sulfanyl)-3,5-dicyano-6-(propylamino)pyridin-4-yl)phenoxy}ethyl N-(tert-butoxycarbonyl)-L-alaninate (Example 14A) were initially charged in 29 ml of dichloromethane. 1.84 ml (23.817 mmol) of trifluoroacetic acid were added, and the reaction solution was then stirred at RT overnight. The reaction solution was concentrated by evaporation and the residue was triturated with diethyl ether. The solid formed was filtered off and dried. This gave 914 mg (89% of theory) of the target compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08420825B2
Source datasetuspto-grants-2013_04
ORD IDord-28a798ea6f3f41559d0a5f85ebd6bc3e
Source noteuspto-grants-2013_04