Intramolecular Aromatic Substitution With Bisthiocarbocations. Variations of Lewis Acid, Solvent and Orthothio Substituents
- 1 January 1990
- journal article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 43 (5) , 815-824
- https://doi.org/10.1071/ch9900815
Abstract
The effects of Lewis acid, solvent and orthothio substituent have been examined with regard to intramolecular electrophilic aromatic substitution ( annulation ) with bisthiocarbocations . A suspension of silver trifluoromethanesulfonate in dichloromethane, creating bis ( arylthio ) carbocations, was found to be the most effective for annulation of six- membered rings.Keywords
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