Ring transformations of 4-aryl-3-haloacylthio-3-isothiazoline-5-thiones as a new access to the 4(5H)-thiazolone and 5,6-dihydro-4H-1, 3-thiazin-4-one rings
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概要
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The reactions of 4-aryl-3-haloacylthio-3-isothiazoline-5-thiones with reactive acetylenes (e.g. dimethyl acetylenedicarboxylate and dibenzoylacetylene) afford 2-[1,3-dithiol-2-ylidene(aryl)methyl]-4(5H)-thiazolones and 5,6-dihydro-2-[1,3-dithiol-2-ylidene(aryl)methyl]-4H-1,3-thiazin-4-ones mostly in high yields.
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日本複素環化学研究所 | 論文
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