Acetic acid 2-isothiocyanatoethylester → Acetic Acid 2-{3-[2-(3,5-dimethyl-phenyl)-1-thien-2-yl-ethyl]-thioureido}-ethyl Ester

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Reaction Steps

A solution of 2-(3,5-dimethyl-phenyl)-1-thiophen-2-yl-ethylamine (1.4 g, from example 1) and acetic acid 2-isothiocyanato-ethyl ester (0.75 g, prepared according to Collect. Czech. Chem. Commun. 1986, 51, 112-117) in toluene (15 ml) was stirred at room temperature for 12 h, evaporated and the residue purified by column chromatography to yield the product (0.5 g) as a yellowish oil.

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