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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1656934Generated: November 1, 2026

Diisopropyl Ether → 2-Amino-5-bromo-4-methyl-1,3-thiazole hydrochloride

https://huagongshe.com/reaction/1656934

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropyl EtherHCID 7914—
ReactantN-bromobutanimideHCID 67184—
Reactant2-Thiazolamine, 4-methyl-, hydrochloride (1:1)HCID 80240—
SolventAcetic AcidHCID 176—
Product2-Amino-5-bromo-4-methyl-1,3-thiazole hydrochlorideHCID 1895472889.7%

Reaction Steps

To a solution of 2-amino-4-methylthiazole hydrochloride (3.0 g) in acetic acid (20 ml) was added once N-bromosuccinimide (4.0 g) at room temperature with stirring. The mixture was stirred at room temperature for 1.5 hours and the reaction mixture was poured into isopropyl ether under ice cooling. The precipitates were collected by filtration, washed with ethyl ether and dried in vacuo to give 2-amino-5-bromo-4-methylthiazole hydrochloride (4.1 g, yield: 89.1%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05256675
Source datasetuspto-grants-1993_10
ORD IDord-5e4a4947972144dcb8057233d69acbbd
Source noteuspto-grants-1993_10