1-phenylazo-1-alkenes
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Joachim G. Schantl; Paul Hebeisen
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Article
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1990
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Elsevier Science
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French
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Aliphatic aldehyde phenylhydrazones 1 were converted into l-phenylazo-l-alkenes 3 either by the reaction with I2 and pyridine followed by base induced 1,4-elimination of pyridine.HI (Method A), or via N-(4-methylbenzenesulfonylhydrazones 7 which undergo 1,4-elimination of p-toluenesulfinic acid upon