Setsuko Miyanari

TL;DR: In this article, the four methylene bridges of p-tert-butylcalix[4]arene are replaced by sulfide linkages, which can be easily synthesized in a single step (54%) by heating a mixture of ptertbutylphenol, elemental sulfur S8 and NaOH in tetraethylene glycol dimethyl ether with concomitant removal of the resulting hydrogen sulfide.

TL;DR: In this paper, a practical method for the synthesis of p-tert-butylthiacalix[4]arene (TC4A), in which the methylene bridges of C4A are replaced by epithio groups, is presented by heating a mixture of ptert butylphenol, elemental sulfur S8, and NaOH as a base catalyst in tetraethylene glycol dimethyl ether.

TL;DR: In this paper, the four methylene birdge of calix[4]arenes are replaced by sulfide linkages, and they were selectively oxidized to sulfinyl- or sulfonylcalix[ 4]arene under mild conditions with control of the stoichiometry of the oxidant.

TL;DR: The X-ray analysis revealed that TC6A adopted a distorted cone conformation stabilized by two sets of hydrogen bondings comprising three phenolic OH groups as mentioned in this paper, suggesting that the expanded central cavity and/or the crystal lattice of the former allowed a more comfortable accommodation of the guest molecules.

TL;DR: N,N'-Dicyanonaphthoquinodiimines fused with a pyrazine ring 1 were prepared from the corresponding quinones 4 and represent a new motif for single-component organic semiconductors that undergo facile and reversible 1e-oxidation as well as two-stage 1 e-reduction.