Selective Synthesis of anti-Bisbenzo[ b]thieno[2,3- b:2',3'- e][1,4]dithiin via Copper-Catalyzed Domino Formation of Eight C-S Bonds
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A copper-catalyzed C-S bond-forming reaction of o-halophenylacetylenes selectively affords anti-bisbenzo[b]thieno[2,3-b:2',3'-e][1,4]dithiins (anti-BBTDs). This approach features a domino thienannulation reaction, a mild temperature, an inexpensive copper ca... ...
