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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 352143Generated: October 29, 2026

[4-(5-Chloro-2-cyanophenoxy)-4-(2-thiazolyl)butyl]carbamic acid 1,1-dimethylethyl ester → 2-[4-Amino-1-(2-thiazolyl)butoxy]-4-chlorobenzonitrile hydrochloride

https://huagongshe.com/reaction/352143

Reaction equation

Participants

RoleNameHCIDCharge
Reactant[4-(5-Chloro-2-cyanophenoxy)-4-(2-thiazolyl)butyl]carbamic acid 1,1-dimethylethyl esterHCID 70153671—
SolventHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product2-[4-Amino-1-(2-thiazolyl)butoxy]-4-chlorobenzonitrile hydrochlorideHCID 2271510165.2%

Reaction Steps

The product from step (d) (0.20 g) was dissolved in 4M hydrochloric acid in dioxan (5 ml) and stirred for 3hat room temperature. The solvent was evaporated and the residue triturated with dry diethyl ether to give the title compound as a pale yellow solid (0.055 g). M.p 170-172° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06743939B2
Source datasetuspto-grants-2004_06
ORD IDord-a1d87e90e87f417188e4fd7110ca6653
Source noteuspto-grants-2004_06