Ring-chain transformations, IX[1] Synthe
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Radics, Ute ;Liebscher, JΓΌrgen ;Ziemer, Burkhard ;Rybakov, Viktor
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Article
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1992
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Wiley (John Wiley & Sons)
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English
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Thiohydrazide compounds 1 react with lactam acetals 2 or solution, however, most of them undergo a reversible ringlactim ethers 3 by condensation giving unusual zwitterionic chain transformation to novel 2-(o-aminoalkyl)-1,3,4-thiaditautomers 5 of lactam thioacylhydrazones 4. These compounds azole s