35022-09-4Relevant articles and documents
Programmed Site-Selective Palladium-Catalyzed Arylation of Thieno[3,2-b]thiophene
Ha Vuong,Villemin, Didier,Nguyen, Hung-Huy,Le, Tin Thanh,Dang, Tung T.,Nguyen, Hien
, p. 2819 - 2826 (2017)
Mono-, di-, tri-, and tetraarylated thieno[3,2-b]thiophenes were synthesized by direct site-selective Pd-catalyzed C?H activation reactions with various aryl bromides in the presence of a phosphine-free Pd(OAc)2/KOAc catalyst system in N,N-dimethylacetamide (DMAc). The arylation of 2-arylthieno[3,2-b]thiophene took place at the C3 position if the 2-aryl substituents possessed electron-withdrawing groups and at the C5 position if they were bulky and possessed electron-donating groups.
Acid-base-responsive intense charge-transfer emission in donor-acceptor-conjugated fluorophores
Inouchi, Toshifumi,Nakashima, Takuya,Kawai, Tsuyoshi
supporting information, p. 2542 - 2547 (2014/10/15)
Herein we report on the synthesis and acid-responsive emission properties of donor-acceptor (D-A) molecules that contain a thienothiophene unit. 2-Arylthieno[3,2-b]thiophenes were conjugated with an N-methylbenzimidazole unit to form acid-responsive D-A-t
Synthesis of New 2-Arylthienothiophenes
Prim, Damian,Kirsch, Gilbert
, p. 2603 - 2606 (2007/10/02)
2-Arylthienothiophenes 1 have been synthesized by palladium catalysed arylation reactions of thienothiophene 2 and intramolecular cyclisations of 2,3-substituted thiophenes 7.A comparative study of the different methods is presented.