Kinetic Energy Release and Hammond Postulate During Intramolecular Aromatic Substitution in 2-Stilbazole Ions
In the mass spectra of 2-stilbazoles 1a - 1g and 3- and 4-stilbazoles (2 resp. 3), C13H10N+ ions, m/z = 180, are formed with high intensities by loss of a H-atom or of a substituent.This is the only fragmentation reaction available to metastable molecular