Palladium(Ⅱ)-Catalyzed Allylic Rearrangement Reaction

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Abstract In this paper,palladium(Ⅱ)-catalyzed allylic rearrangement reaction was described.A series of allylic alcohols were treated with tosyl isocyanate to afford allylic N-tosyl carbamates as the substrates.To optimize the reaction conditions,the main factors were widely discussed.The results showed: conditions will be controlled more strictly if the structure of substrate is more complicated;the amount of catalyst doesn't impact the reaction very much;halide salt is necessary and should be excessive;base doesn't impact the reaction;THF,1,4-dioxane,DMF will be the preferred solvents orderly when the reactive temperature increases; the reactive temperature rises with the increase of the structure of substrate.

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Received 2008-01-15; published 2008-01-15

Cite this article:

QI Ying,WU Wen-ting,DONG Xiao-ming,REINER E J.Palladium(Ⅱ)-Catalyzed Allylic Rearrangement Reaction[J] Chemcial Industry and Engineering, 2008,V25(1): 18-22

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