Abstract
AbstractA cyclic aryl thioester dimer was prepared by the reaction of o‐phthaloyl dichloride and bis(4‐mercaptophenyl) sulfide in good yield under pseudo‐high dilution conditions via interfacial polycondensation. The structure of the cyclic dimer was confirmed by a combination of MALDI‐TOF‐MS, FITR, gel permeation chromatography and NMR analyses. The X‐ray diffraction study of the single crystal of cyclic thioester dimer obtained from two solutions reveals no severe internal strain on the cyclic structure.
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