BIARYLS, UNSYMMETRICAL, SYNTHESIS tables

The Ullmann synthesis of unsymmetrical biaryls has been employed in a number of cases with remarkable selectivity if the aryl halides were properly selected [2-6,37-41]. Some representative synthesis in the phenyl series are shown in the Table 2. 

Table 10. Synthesis of unsymmetrical biaryls using nickel- and palladium-based methods...

Table 2. Manganese(lll) acetate-mediated synthesis of unsymmetrical biaryls from arylhydrazines and liquid arenes [7,8]...

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