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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1059448Generated: October 31, 2026

Hydrochloric Acid → (10H-Pyrazino[2,3-b][1,4]benzothiazin-8-yl)acetamidine hydrochloride

https://huagongshe.com/reaction/1059448

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(10H-Pyrazino[2,3-b][1,4]benzothiazin-8-yl)acetamidineHCID 18670382—
SolventMethanolHCID 887—
SolventEthyl AcetateHCID 8857—
Product(10H-Pyrazino[2,3-b][1,4]benzothiazin-8-yl)acetamidine hydrochlorideHCID 18670381—

Reaction Steps

(10H-Pyrazino[2,3-b][1,4]benzothiazin-8-yl) acetamidine was dissolved in a small amount of methanol and a solution of hydrogen chloride in ethyl acetate was added thereto under ultrasonication. Thus, the title compound was obtained almost quantitatively as the precipitated orange crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06518423B1
Source datasetuspto-grants-2003_02
ORD IDord-6ad375a7622c44c28a0864f6c5081fde
Source noteuspto-grants-2003_02