Abstract
A set of four new cyclic amidines has been synthesized and characterized. A novel intramolecular noncovalent force between carbon atoms of the aromatic ring and heteroatoms of cyclic amidines has been demonstrated and established by X-ray structural analysis and ab initio calculation at B3LYP/6-31G* level. This new noncovalent force is presumably caused by an orbitalic overlap between the σ* or π* orbital of one aromatic carbon-carbon bond and one lone pair of electrons of the involved heteroatom. The generality of these interactions in organic compounds has been corroborated exploring the Cambridge Structural Database.
| Original language | English |
|---|---|
| Pages (from-to) | 489-496 |
| Number of pages | 8 |
| Journal | Chemical Physics Letters |
| Volume | 372 |
| Issue number | 3-4 |
| DOIs | |
| State | Published - 29 Apr 2003 |
| Externally published | Yes |