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(a) Site‐selectivity of ruthenium‐catalyzed C−H alkylations of pyrazole 5 a with various bromocycloalkanes 2, (b) scope for C−H alkylation of pyrazoles 5. [a] The yield of meta‐alkylated product 7 is given in parentheses. [b] o‐Xylene was used as solvent.
