Porphyrin Architectures Constructed by CH···π Interactions: Synthesis and Crystal Structures of 5,10,15,20-Tetrakis(4-methylchalcogenophenyl)-21H,23H-porphyrins
Porphyrin Architectures Constructed by CH···π Interactions: Synthesis and Crystal Structures of 5,10,15,20-Tetrakis(4-methylchalcogenophenyl)-21H,23H-porphyrins