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First palladium-catalyzed aminations of aryl chlorides

โœ Scribed by Matthias Beller; Thomas H. Riermeier; Claus-Peter Reisinger; Wolfgang A. Herrmann

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
136 KB
Volume
38
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

The palladium-catalyzed coupling reaction of aryl chlorides with various amines has been studied

for the first time. Crucial for the success of this C-N bond forming reaction is the use of potassium tertbutoxide as base. Turn over numbers up to 900 and yields up to 80 % have been obtained.

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Pd(PCy3)CI 2 (Cy = cyclohexyi) catalyzed the rcactioa of aryl cldmides and ~,,octdary amln~ in the pre~ncยข of NaOtBu to give the ~g aryl amines in good to excellent yields. In of dte reactions, an excess amouat of aryl chloride (atyl chloride/amine = 2) improved the yields.