Structure Checker : Aromaticity Error Checker

Checker searches for General, Basic, or Loose aromatic systems that can't be dearomatized or rearomatizing with the given method does not reproduce the initial molecule. Details on aromaticity detection.

Fixer offers:

• rearomatizing or;
• dearomatizing the aromatic system.

Example:

Note: The 2-pyridone aromatized in general mode is corrected after a checking of aromatization in basic mode.
In this case, both rearomatization and dearomatization fix yields the same structure.