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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2087084Generated: November 1, 2026

Hydrogen Bromide → HCID 22726020, compound

https://huagongshe.com/reaction/2087084

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant4,5,6,7-Tetrahydro-N6-propyl-2,6-benzothiazolediamineHCID 4885—
SolventMethanolHCID 887—
ProductHCID 22726020HCID 22726020—

Reaction Steps

4.00 g of (±)-2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole was dissolved in 10 mL of hot methanol and 2.2 mL of 48% hydrobromic acid was added. The obtained suspension was stirred, cooled and precipitated solid was filtered off. The cake was washed with cold methanol and air-dried to give 2.7 g of (±)-2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole monohydrobromide with m.p. 236-245° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06727367B2
Source datasetuspto-grants-2004_04
ORD IDord-48c73cce3c344b4faecc611f4e487d12
Source noteuspto-grants-2004_04