RUTHENIUM-CATALYSED SELECTIVE N-MONOALKYLATION OF ANILINES WITH TETRAALKYL-AMMONIUM HALIDES

Chan Sik Cho Department of Industrial Chemistry, College of Engineering, Kyungpook National University, Taegu, 702-701, South Korea

Joon Seok Kim Department of Industrial Chemistry, College of Engineering, Kyungpook National University, Taegu, 702-701, South Korea

Hun Seol Kim Department of Industrial Chemistry, College of Engineering, Kyungpook National University, Taegu, 702-701, South Korea

Tae-Jeong Kim Department of Industrial Chemistry, College of Engineering, Kyungpook National University, Taegu, 702-701, South Korea

Sang Chul Shim Department of Industrial Chemistry, College of Engineering, Kyungpook National University, Taegu, 702-701, South Korea

Abstract

Anilines react with an array of tetraalkylammonium halides in the presence of a catalytic amount of a ruthenium catalyst together with SnCl₂·2H₂O in dioxane at 180°C to afford selectively N-monoalkylanilines in good yields.

ACKNOWLEDGMENTS

This work was supported by the Basic Research Program of the Korea Science and Engineering Foundation (2000-2-12200-001-3) and grant of Post-Doc. (C.S.C.) Program from Kyungpook National University (2000).

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RUTHENIUM-CATALYSED SELECTIVE N-MONOALKYLATION OF ANILINES WITH TETRAALKYL-AMMONIUM HALIDES

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RUTHENIUM-CATALYSED SELECTIVE N-MONOALKYLATION OF ANILINES WITH TETRAALKYL-AMMONIUM HALIDES

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