O‐Acylation of 3‐Methylpyrazol‐5‐ones with Acylisothiocyanates

Mykhaylo V. Vovk Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmans'ka str. 5, Kyiv, 02094, UkraineCorrespondence[email protected]

Andrij V. Bol'but Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmans'ka str. 5, Kyiv, 02094, Ukraine

Pavlo S. Lebed' Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmans'ka str. 5, Kyiv, 02094, Ukraine

Abstract

3‐Methylpyrazol‐5‐ones 1 react by the O‐acylation pattern with acylisothiocyanates 2 in the solvent mixture ethanol–dioxane in the presence of the equimolar amount of potassium hydroxide to produce 5‐acyloxy‐3‐methyl‐1H‐pyrazoles 3.

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O‐Acylation of 3‐Methylpyrazol‐5‐ones with Acylisothiocyanates

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O‐Acylation of 3‐Methylpyrazol‐5‐ones with Acylisothiocyanates

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