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Updated: Jun 1, 2026

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
Published on: October 24, 2017
4-(2-Fluoro-phen-yl)-1-(2-oxoindolin-3-yl-idene)thio-semicarbazide
Abstract:
The title compound, C(15)H(11)FN(4)OS, is almost planar, the dihedral angle between the aromatic ring systems being 5.00 (13)°. The conformation is stabilized by intra-molecular N-H⋯N and N-H⋯O hydrogen bonds, which generate S(5) and S(6) rings, respectively. N-H⋯F and C-H⋯S inter-actions also occur. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds occur, generating R(2) (2)(8) loops.
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