Abstract

AbstractThe self‐assembly of sulfur‐containing heterocyclic compounds, 5,6,11,12,17,18‐hexathia‐5,6,11,12,17,18‐hexahydrotrinaphthylene and 5,7,12,14‐tetrathiapentacene having octyloxy groups 1 and 2, was examined. Sulfides 1 and 2 self‐assembled to form fibrous materials. The methylation reactions of 1 and 2 proceeded to give monomethylated sulfonium salts 3 and 4, and the self‐assembly of 3 and 4 was also studied. Fibrous materials of sulfonium salts 3 and 4 were formed in hexane/CHCl3 solution. The structure of the fibrous material of 3 might be similar to that of the fibrous material of 1. The aggregation behavior of 1 and 3 in cyclohexane‐d12 was studied by VT 1H NMR measurements at various concentrations. VT 1H NMR measurements revealed that the stacking structure of 1 was different from that of 3.

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