Thiophene 1-Oxides. V [1], [2], [3], [4]. Comparison of the Crystal Structures and Thiophene Ring Aromaticity of 2,5-Diphenylthiophene, its Sulfoxide and Sulfone

Article abstract of DOI:10.1002/jhet.5570340530

The detailed preparation of 2,5-diphenylthiophene 1-oxide (2) is reported as well as the comparative study of the crystal structures of 2,5-diphenylthiophene, 1, its sulfoxide 2 and sulfone 3 obtained by X-ray diffraction. This work represents the first e