Description:
Abstract A new by-product in the synthesis of ferroceno[1,2]cyclohexen-1-one-3 (1) is the dimer 2, which has been characterized by an X-ray analysis. Molecular structure of 2: Space group C 2h/6, C2/c, (15). Unit cell (Å): a = 42.54(3); b = 10.062(6); c = 22,04(1); monoclin; Z = 8.