Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 482683Generated: October 26, 2026

4,5-Dihydro-2-(methylthio)thiazole → 2-[2-(3-Chloro-2-tolyl)-hydrazino]-2-thiazoline

https://huagongshe.com/reaction/482683

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-Dihydro-2-(methylthio)thiazoleHCID 88324—
Reactant(2-Chloro-6-methylphenyl)hydrazine hydrochlorideHCID 2800160—
SolventIsopropanolHCID 3776—
Product2-[2-(3-Chloro-2-tolyl)-hydrazino]-2-thiazolineHCID 70454469—

Reaction Steps

A solution of 11.2 g (5% excess) of 2-methylthio-2-thiazoline in 20 ml of isopropanol was added slowly in the course of 30 minutes to a suspension, which was stirred under reflux, of 15.5 g (0.08 mol) of 3-chloro-2-tolyl-hydrazine hydrochloride in 100 ml of isopropanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04575501
Source datasetuspto-grants-1986_03
ORD IDord-2ca251c893084a03b38c979895c8ff64
Source noteuspto-grants-1986_03