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Tetraarylthieno [3
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In the paper "Programmed Synthesis of Tetraarylthieno[3,2-b]thiophene by Site-Selective Suzuki Cross-Coupling Reactions of Tetrabromothieno[3,2-b]thiophene", Thieno[3,2-b]thiophene is a structural motif that can be found in many important organic materials. A number of mono-, diand tetraarylthieno[3,2-b]thiophenes are reported herein.
4p
runordie3
27-06-2022
11
2
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In this work, an attempt to planarize 2,3,4,6- tetraarylthieno[3,2-b]thiophene based on the FeCl3 oxidative annulation was described. Thus, two cyclized 2,3,5,6-tetraarylthieno[3,2-b]thiophenes 5a and 5b were synthesized in moderate yields. NMR and HR-MS analysis indicated the annulation between only one pair of the phenyl substituents.
8p
tamynhan9
02-12-2020
11
2
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