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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1360899Generated: October 31, 2026

Ethanol → 4-Methyl-5-[5-[(4-methylpiperazin-1-yl)sulfonyl]-3-thienyl}-1,3-thiazol-2-amine

https://huagongshe.com/reaction/1360899

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantN-(4-methyl-5-{5-[(4-methylpiperazin-1-yl)sulfonyl]-3-thienyl}-1,3-thiazol-2-yl)acetamideHCID 11998679—
SolventHydrochloric AcidHCID 313—
Product4-Methyl-5-[5-[(4-methylpiperazin-1-yl)sulfonyl]-3-thienyl}-1,3-thiazol-2-amineHCID 11998908124%

Reaction Conditions

Temperature90 °C

Reaction Steps

N-(4-methyl-5-{5-[(4-methylpiperazin-1-yl)sulfonyl]-3-thienyl}-1,3-thiazol-2-yl)acetamide (34) (978.5 mg; 2.44 mmol; 1 eq) is dissolved in hydrochloric acid 1.25 M in EtOH (39.09 ml; 1.25 M; 48.9 mmol; 20 eq). The mixture is stirred overnight at 90° C. It is cooled down to RT, filtrated, affording Compound (43) as a white solid (1084.3 mg; 91%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07879888B2
Source datasetuspto-grants-2011_02
ORD IDord-4a4ef8151ada4cb2b353775c322a40cc
Source noteuspto-grants-2011_02