Synthesis and X-Ray Structures of Arsenic(V) Porphyrins with Symmetric Diaxial Ligands of Me2 and F2

Arsenic porphyrms [(TPP)As(Me)2]+PF6 (2-PF6), [(TPP)As(F)2]+PF6- (3-PF6), and [(OEP)As(F)2]+PF6(4-PF6) were prepared and the X-ray crystallographic structures revealed that the axial ligand and the porphyrin core affected to control the conformation of the porphyrins.