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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8350Generated: October 26, 2026

Dimethyl Sulfoxide → 4-(2-Amino-4-methoxy-benzothiazol-7-yl)-1-methyl-piperazin-2-one

https://huagongshe.com/reaction/8350

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfoxideHCID 679—
ReactantAcetic Acid Mixture with Hydrobromic AcidHCID 21893785—
Reactant[2-Methoxy-5-(4-methyl-3-oxo-piperazin-1-yl)-phenyl]-thioureaHCID 22015742—
SolventAcetic AcidHCID 176—
Product4-(2-Amino-4-methoxy-benzothiazol-7-yl)-1-methyl-piperazin-2-oneHCID 22015741—

Reaction Steps

From [2-methoxy-5-(4-methyl-3-oxo-piperazin-1-yl)-phenyl]-thiourea with HBr—AcOH (4 equiv.) and DMSO (2.4 equiv.) in AcOH. ES-MS m/e (%): 293 (M+H+, 100).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087761B2
Source datasetuspto-grants-2006_08
ORD IDord-d179064351194b43a86982c843ec674b
Source noteuspto-grants-2006_08