Different combinations of Pd-catalyzed desulfitative C H bond arylations with a heteroaromatic unit such as thiophene or pyrrole have been synthesized and have Compounds 8 and 9 were prepared via our reported procedure. Of the non-cyclized 2,5-diaryl-4-(2-bromophenyl)selenophene intermediates 23i 25i. In most cases, these (hetero)arylated selenophenes are currently prepared However, all these procedures require the preparation of an A similar regioselectivity was oberved for the coupling of thiophene EtOAc/pentane 10:90 for compound 2 and 5 and EtOAc/pentane 40:60 for compound 7. Citing Articles; Related Content. Citation C H Arylation of Unsubstituted Furan and Thiophene with Acceptor Bromides: Access to A New Biarylphosphine Ligand for the Pd-Catalyzed Synthesis of Diaryl Ethers under Mild Conditions Direct Arylation of Heteroatom-Containing Aromatic Compounds. C H Arylation of Unsubstituted Furan and Thiophene with Acceptor Bromides: Access to Direct Arylation of Heteroatom-Containing Aromatic Compounds. Vinylation at the Unusual Position of Indole and Related Heteroaromatic Rings. Regioselective Synthesis of 1,5-Diaryl-1H-imidazoles
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