Fujinami, Yohei; Kuwabara, Junpei; Lu, Wei; Hayashi, Hideki; Kanbara, Takaki published an article about the compound: Tricyclohexylphosphonium tetrafluoroborate( cas:58656-04-5,SMILESS:F[B-](F)(F)F.[PH+](C1CCCCC1)(C2CCCCC2)C3CCCCC3 ).Name: Tricyclohexylphosphonium tetrafluoroborate. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:58656-04-5) through the article.
Polycondensation via direct C-H arylation of thiophene derivatives gave thiophene- and bithiophene-based alternating copolymers in good yields. The optimization of the reaction conditions was investigated in terms of a catalytic system and reaction time. Under optimized conditions, the polycondensation reaction of 3,3′,4,4′-tetramethylbithiophene with 2,7-dibromo-9,9-dioctylfluorene gave poly[2,7-(9,9-dioctylfluorene)-alt-5,5′-(3,3′,4,4′-tetramethyl-2,2′-bithiophene)] with a mol. weight of 31 800 in 91% yield. The polycondensation reaction proceeded with 2 mol % of Pd(OAc)2 without the addition of a phosphine ligand in a short reaction time (3 h). Six kinds of π-conjugated polymers were synthesized by the polycondensation reaction without the use of bifunctional organometallic reagents as monomers.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem