| 摘要 |
According to a novel process, the triazolinethione derivative of the formulacan be prepared bya) reacting the oxirane of the formula with hydrazine hydrate in the presence of specific diluents, followed by introduction of hydrogen chloride or extraction with aqueous hydrochloric acid,b) treating the resulting hydrazine hydrochloride derivative of the formula with alkali metal hydroxide in the presence of water and further specific diluents, followed by successive reaction with formaldehyde and thiocyanate of the formula in the presence of certain solvents and finallyc) reacting the triazolidine derivative of the formula with iron(III) chloride in the presence of aqueous hydrochloric acid.
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