4,4-Bis(2-ethylhexyl)-6-(9-(2-ethylhexyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazol-6-yl)-4H-cyclopenta[2,1-b:3,4-b′]dithiophene-2-carbaldehyde

Autor:	Maxim S. Mikhailov, Olga O. Ustimenko, Ekaterina A. Knyazeva, Oleg A. Rakitin
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	small molecules for solar cells building block for solar cells components Suzuki cross-coupling reaction 4H-cyclopenta[2 1-b:3 4-b′]dithiophene 2 3 4 4a 9 9a-hexahydro-1H-carbazole Inorganic chemistry QD146-197
Zdroj:	Molbank, Vol 2022, Iss 4, p M1486 (2022)
Druh dokumentu:	article
ISSN:	1422-8599
DOI:	10.3390/M1486
Popis:	Dyes with a donor–π–spacer–acceptor (D-π-A) structure containing a dicyanovinyl group as an acceptor have recently been of interest for the production of single-component organic solar cells. The most convenient precursors for their synthesis are the corresponding aldehydes. In this communication, 4,4-bis(2-ethylhexyl)-6-(9-(2-ethylhexyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazol-6-yl)-4H-cyclopenta[2,1-b:3,4-b′]dithiophene-2-carbaldehyde was synthesized by the Suzuki cross-coupling reaction between 4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b′]dithiophene-2,6-dicarbaldehyde and 9-(2-ethylhexyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole in the presence of tetrakis(triphenylphosphine)palladium(0). The structure of the newly synthesized compound was established by means of high-resolution mass spectrometry, 1H, 13C NMR, IR, and UV spectroscopy.
Databáze:	Directory of Open Access Journals
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