Cobalt-Catalyzed C-H Allylation of Arenes with Allylic Amines

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Main observation and conclusionrn[Cp*Co(CO)l2] effectively catalyzes pyridyl-directed C-H allylation of arenes with allylic amines in the presence of AgOAc and CF3COOAg.The reaction features ortho-position monoallylation of 2-pyridylarenes,giving the allylated arenes in moderate to high yields.A range of functional groups including OMe,Me,Ph,F,Cl,Br,CF3,C(O)Me,COOEt,and COOH groups are tolerated.Pyrim-idyl-directed C-H allylation of arenes were also performed under the same conditions.Reaction of 2-phenylpyrimidine,2-(4-methoxyphenyl)pyrimidine,and 2-(3-fluorophenyl)pyrimidine leads to a mixture of ortho-position mono-and bisallylation prod-ucts.Reaction of other 2-(substituted aryl)pyrimidines resulted in ortho-position monoallylation products.
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