Ring-chain-transformations : Synthesis of ω-functionalized alkylthio-1,2,4-triazoles by reaction of cyclic S-analogous N-cyano or N-aroylcarbonimidoesters with hydrazines |
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Authors: | Michael Ptzel Andreas Schulz Jürgen Liebscher Wolfgang Richter Monika Richter |
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Institution: | Michael Pätzel,Andreas Schulz,Jürgen Liebscher,Wolfgang Richter,Monika Richter |
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Abstract: | Cyclic N-cyanocarbonimidodithioesters 4 or N-aroylcarbonimidothioic acid esters 10 react regioselectively with arylhydrazines and methylhydrazine by a ring chain transformation reaction forming ω-functionalized 3-alkylthio-1,2,4-triazoles 8 and 11 or 5-alkylthio-1,2,4-triazoles 9 . |
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