Concerning the Questionable Existence of Thioxoindigoid Compounds

Neither in the solid state, nor in solution—proof of the existence of indigoid compounds such as 1 with thioxo instead of oxo groups remains elusive. The oxidation of leucoindigoid precursors does not lead to 1 in any example examined, but rather to the valence isomeric 1,2‐dithiines 2 or to macrocy...

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Veröffentlicht in:	Angewandte Chemie (International ed.) 1994-04, Vol.33 (7), p.739-741
Hauptverfasser:	Schroth, Werner, Hintzsche, Ekkehard, Felicetti, Michael, Spitzner, Roland, Sieler, Joachim, Kempe, Rhett
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with o, s, se, te hetero atom and condensed derivatives Organic chemistry Organic compounds Physics Preparations and properties Structure of solids and liquids crystallography Structure of specific crystalline solids
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Beschreibung
Zusammenfassung:	Neither in the solid state, nor in solution—proof of the existence of indigoid compounds such as 1 with thioxo instead of oxo groups remains elusive. The oxidation of leucoindigoid precursors does not lead to 1 in any example examined, but rather to the valence isomeric 1,2‐dithiines 2 or to macrocyclic bisdisulfides, depending on the heteroatom X (S, NCH3, NH, O).
ISSN:	0570-0833 1521-3773
DOI:	10.1002/anie.199407391