Publication: Synthese von 4,4-disubstituierten 1,3-ThiazoI-5(4H)-thionen
Synthese von 4,4-disubstituierten 1,3-ThiazoI-5(4H)-thionen
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Jenny, C., & Heimgartner, H. (1986). Synthese von 4,4-disubstituierten 1,3-ThiazoI-5(4H)-thionen. Helvetica Chimica Acta, 69, 374–388. https://doi.org/10.1002/hlca.19860690217
Abstract
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Abstract
An easy synthesis for the 1,3-thiazol-5(4H)-thiones 5, a class of heterocycles which have hitherto only been available with difficulty, is described. Reaction of 3-amino-2H-azirines 25 with thiocarboxylic acids at 0° yields monothiodiamides of type 20 (Scheme 6) which, on treatment with Lawesson reagent at 100°, undergo thiation and cyclization to give 5 in good yield.
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- Jenny, Christjohannes
- Heimgartner, Heinz
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Jenny, C., & Heimgartner, H. (1986). Synthese von 4,4-disubstituierten 1,3-ThiazoI-5(4H)-thionen. Helvetica Chimica Acta, 69, 374–388. https://doi.org/10.1002/hlca.19860690217
