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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 5318Generated: October 28, 2026

Potassium tert-butoxide → 2-Ethoxycarbonylimino-3-(3-trifluoromethylphenyl)-5-methylenethiazolidine

https://huagongshe.com/reaction/5318

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium tert-butoxideHCID 23665647—
Reactant2-Ethoxycarbonylimino-3-(3-trifluoromethylphenyl)-5-bromomethylthiazolidineHCID 53634945—
Solventtert-ButanolHCID 6386—
Product2-Ethoxycarbonylimino-3-(3-trifluoromethylphenyl)-5-methylenethiazolidineHCID 5403846444.5%

Reaction Steps

A solution of 2-ethoxycarbonylimino-3-(3-trifluoromethylphenyl)-5-bromomethylthiazolidine (0.7 g) and potassium t-butoxide (0.25 g) in t-butanol (30 ml) was refluxed for 5 hours, and the solvent was distilled off under reduced pressure. The residue was extracted with chloroform (100 ml), washed with water and dried over anhydrous magnesium sulfate. After removal of the solvent, the residue was subjected to column chromatography to give 0.25 g of 2-ethoxycarbonylimino-3-(3-trifluoromethylphenyl)-5-methylenethiazolidine (Compound (i)).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05244863
Source datasetuspto-grants-1993_09
ORD IDord-8157a175e15e4fbc96068d0c346be2c4
Source noteuspto-grants-1993_09