Answers are grounded in this paper and cite their sources.
Abstract 2,2′:6′,2″-Dioxa- and dithia-triphenylamines 4a and 4b were prepared. Both compounds had a C2-like structure. The sulfur compound 4b had a more twisted structure than 4a; the dihedral angle between two edge phenyl rings was 43° for 4a, and 62° for 4b. The oxygen compound 4a had a reversible oxidation wave at +0.81 V vs SCE, whereas 4b had an irreversible peak at +1.14 V.
No takes yet. Share an insight, caveat, or question.
Kuratsu et al. (2004) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: