- Article
Quaternary Ammonium Salts Interact with Enolates and Sulfonates via Formation of Multiple +N-C-H Hydrogen Bonding Interactions
- Grazia Bencivenni,
- Nathalie Saraiva Rosa,
- Paolo Grieco,
- Malachi W. Gillick-Healy,
- Brian G. Kelly,
- Brendan Twamley and
- Mauro F. A. Adamo
We report herein sharp physical evidence, i.e., single-crystal X-ray diffraction and 1H-NMR spectral data, confirming that quaternary ammonium species interact with anions via a set of directional ion–dipole cooperative +N-C-H unusual H-bonding...

