The largest discrete oligo(m-aniline). An exponential growth strategy using palladium-catalyzed amination of aryl sulfonates

Macromolecules

Volumn 31, Issue 19, 1998, Pages 6737-6739

  Louie, Janis ^a   Hartwig, John F ^a  

^a YALE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AROMATIC POLYMERS; CATALYSIS; COLUMN CHROMATOGRAPHY; CYCLIC VOLTAMMETRY; DIMERS; GROWTH (MATERIALS); MOLECULAR STRUCTURE; NITROGEN COMPOUNDS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; ORGANIC SOLVENTS; PALLADIUM COMPOUNDS; SOLUBILITY;

EXPONENTIAL GROWTH STRATEGY; POLYANILINE;

OLIGOMERS;

EID: 0032166682     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma981073u     Document Type: Article

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27. 2 at 295 K on a Varian E9 spectrometer interfaced with a Macintosh computer. The microwave power was 10 mW for 7 and 13, and was 2 mW for 12. The modulation amplitude was 0.5 G for 7 and 13, and was 1.0 G for 12.
28. X-Band measurements of dications were made on 1 mM samples in butyronitrile at 70 K. A modulation amplitude of 4 G and a microwave power of 0.2 mW was used to observe the Δm = ±1 transitions. A modulation amplitude of 20 G and a microwave power of 5 mW was used to observe the Δm = ±2 transitions.
29. Similar to studies by Janssen and Abe cited above, the ability to observe the cation radicals was solvent dependent. In contrast to these studies, however, the monocation radicals of 7 and 12 were not observed in THF solvent and the m ± 2 transitions were not observed in dichloromethane.