diazafluorene noun1 •Any of several isomeric tricyclic aromatic heterocycles derived from fluorene by replacement of two CH groups by nitrogen atomsAldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich Another ligand delivery reagent this time for the introduction of the 1,8-diazafluorene ligand, has been developed using diazo chemistry. formsdiazafluorenes
