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|Title:||C-H Activation and Palladium Migration within Biaryls under Heck Reaction Conditions|
Maria Teresa Moon
University of Bristol
Chulabhorn Research Institute
|Keywords:||Biochemistry, Genetics and Molecular Biology;Chemistry|
|Citation:||Organic Letters. Vol.4, No.18 (2002), 3115-3118|
|Abstract:||(Equation Presented) Biaryl bromides such as 1 (R=NO2, H, OMe) undergo the Heck reaction to give both the expected products 3 ("retention") as well as "crossover" products 4 derived from a migration of Pd and net transfer of reactivity from one aryl ring to the other. Under the conditions used, crossover is increasingly favored when electron-deficient arenes are involved. Crossover products derived from transfer onto the pyridine ring have also been observed.|
|Appears in Collections:||Scopus 2001-2005|
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