This thesis describes the first successful synthesis of a new pyrazole-expanded porphyrin. The 'Siamese-Twin Porphyrin' provides two conjoined porphyrin-like coordination spheres, which can thus accommodate two metal ions within the same ligand.

This thesis describes the first successful synthesis of a new pyrazole-expanded porphyrin. The 'Siamese-Twin Porphyrin' provides two conjoined porphyrin-like coordination spheres, which can thus accommodate two metal ions within the same ligand.

This thesis describes the first successful synthesis of a new pyrazole-expanded porphyrin. The 'Siamese-Twin Porphyrin' provides two conjoined porphyrin-like coordination spheres, which can thus accommodate two metal ions within the same ligand.