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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 444815Generated: October 26, 2026

Hydrochloric Acid → 4-Amino-2-[(2-aminoethyl)amino]-1,3-thiazol-5-carbonitrile dihydrochloride

https://huagongshe.com/reaction/444815

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-Butyl{2-[(4-amino-5-cyano-1,3-thiazol-2-yl)amino]ethyl}carbamateHCID 57911749—
Solvent1,4-DioxaneHCID 31275—
Product4-Amino-2-[(2-aminoethyl)amino]-1,3-thiazol-5-carbonitrile dihydrochlorideHCID 86651624—

Reaction Steps

2.18 g (7.7 mmol) of tert-butyl {2-[(4-amino-5-cyano-1,3-thiazol-2-yl)amino]ethyl}carbamate (Example 7A) in 100 ml of 4N hydrogen chloride in dioxane were stirred at RT for 30 min. The reaction mixture was concentrated. This gave 2 g (100% of theory) of the product as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08476267B2
Source datasetuspto-grants-2013_07
ORD IDord-ca49544492a7441a99817ff0cd67e739
Source noteuspto-grants-2013_07