Abstract
• An array of rigid α-diimine palladium complexes were reported. • These palladium complexes efficiently promoted the direct C-H arylation under mild reaction conditions. • Cross-coupling of a variety of thiophene with heteroaryl bromides afforded excellent yields and high reigioselectivity. The direct C-H heteroarylation of thiophenes, promoted by rigid α-diimine palladium complexes is described. This approach exhibits broad substrate scopes with functional group tolerant, and proceeds with the formation of regioselective products.
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