1156544-06-7Relevant academic research and scientific papers
Synthesis and properties of tetrathiafulvalenes bearing 6-aryl-1,4-dithiafulvenes
Itou, Toshiki,Kagawa, Kohei,Kimura, Hitoshi,Misaki, Yohji,Shirahata, Takashi,Vasu, Dhananjayan,Yorimitsu, Hideki,Yoshimura, Aya,Yoshioka, Mayuka
, p. 974 - 981 (2020)
Novel multistage redox tetrathiafulvalenes (TTFs) bearing 6-aryl-1,4-dithiafulvene moieties were synthesized by palladium-catalyzed direct C-H arylation. In the presence of a catalytic amount of Pd(OAc)2, P(t-Bu3)·HBF4, and an excess of Cs2CO3, the C-H arylation of TTF with several aryl bromides bearing 1,3-dithiol-2-ylidenes took place efficiently to produce the corresponding p-conjugated molecules. We also succeeded in the estimation of the oxidation potentials and number of electrons involved in each oxidation step of the obtained compounds by digital simulations.
Dye-sensitized solar cells based on 1,3-dithiol-2-ylidene derivatives: Substituent and π-spacer effects on the efficiency
Wada, Atsushi,Nishida, Jun-Ichi,Maitani, Masato M.,Wada, Yuji,Yamashita, Yoshiro
supporting information, p. 296 - 298 (2014/03/21)
Four novel 1,3-dithiol-2-ylidene dyes BDY-1, BDY-2, BDY-3, and BDY-4 were developed for dye-sensitized solar cells. Among these dyes, BDY-4 containing a 9,9-dibutyl-9H-fluorene spacer and a phenyl group at the vinyl position showed the highest efficiency (3.26%), indicating the importance of the phenyl substituent and the fluorene unit in improving the efficiency.
Light-induced synthesis of π-extended tetrathiafulvalenes incorporating ferrocenes: An efficient route for the synthesis of electron-donor materials
Sarhan, Abdelwareth A. O.,Bolma, Carsten
experimental part, p. 1000 - 1006 (2009/12/01)
A new method for the synthesis of π-extended tetrathiafulvalenes was developed. The protocol is based on the exposure of 1,4-dithiafulvenes to sunlight or UV light at ambient temperature. In the resulting chalcogenofulvalenes the 1,3-dithiole ring systems are separated by conjugated spacers. Extended TTF analogues are obtained by insertion of linear π-conjugated spacers (C=C-C=C) of increasing dimensions between the two 1,4-dithiafulvenyl moieties. Georg Thieme Verlag Stuttgart.
