Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970712Generated: October 25, 2026

4-Methoxy-2-aminobenzothiazole → 2-Amino-4-hydroxybenzothiazole

https://huagongshe.com/reaction/970712

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Methoxy-2-aminobenzothiazoleHCID 21622—
ReactantAluminum(III) ChlorideHCID 6451240—
SolventEthanethiolHCID 6343—
Product2-Amino-4-hydroxybenzothiazoleHCID 24057—

Reaction Steps

A solution of AlCl3 (5 mmole) in EtSH (10 mL) was cooled to 0° C. and treated with 2-amino-4-methoxybenzothiazole (1 mmole). The mixture was stirred at 0–5° C. for 2 h. Evaporation and extraction gave 2-amino-4-hydroxybenzothiazole as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07312219B2
Source datasetuspto-grants-2007_12
ORD IDord-81607eb7065443e38d9cae577c238bfb
Source noteuspto-grants-2007_12