Synthesis of α‐Cyanoenamines by Cyanation of α‐Bromoimmonium Bromides and Dehydrobromination of β‐bromo‐α‐(dialkylamino)nitriles
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説明
<jats:title>Abstract</jats:title><jats:p>The reaction of α‐bromoimmonium bromides <jats:bold>4</jats:bold> with potassium cyanide in dimethylformamide gave rise to β‐bromo‐α‐(dialkylamino)nitriles <jats:bold>5</jats:bold>, which were dehydrobrominated in various basesolvent systems to afford (<jats:italic>E</jats:italic>)‐ and (<jats:italic>Z</jats:italic>)‐α‐cyanoenamines <jats:bold>2</jats:bold>. An adaption of a previously published preparation of α‐cyanoenamines starting from aldehydes <jats:italic>via</jats:italic> enamines led to an improved, efficient and fast synthesis of the title compounds.</jats:p>
収録刊行物
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- Chemische Berichte
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Chemische Berichte 116 (12), 3846-3857, 1983-12
Wiley
