ルテニウム・白金錯体を用いる新触媒反応

概要

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The following novel organic syntheses catalyzed by ruthenium (1-7) and platinum complexes (8-9) which have been disclosed by the authors are reviewed. 1) Activation of alcohols which provides novel synthetic methods for alkylamines and <I>N</I>-heterocycles such as piperidines, pyrrolidines, quinolines and indoles. 2) Hydroamidation of olefins. 3) Addition of carboxylic amides to olefins. 4) Addition of aldehydes to olefins to give unsymmetric ketones. The reactions 3) and 4) involve the activation of carbon-hydrogen bond of formyl groups. 5) [2 + 2] Cross cycloaddition of norbornenes with acetylene which provides the synthetic tool for linear polycyclo compounds. 6) Linear codimerization of acetylenes with 1, 3-dienes. 7) Addition of carboxylic acids to acetylenes to give enol esters. 8) Reductive carbonylation of nitroarenes to amides, urethanes and ureas. 9) Thermal and photo-chemical carbonylation of alkyl iodides to esters or aldehydes. Even alkyl halides with β-hydrogens are efficiently carbonylated. The mechanisms of these novel reactions are suggested.
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