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Intercalation of Cationic Porphyrin Bearing Four ω-Ammonioalkyl Subsutituents at Meso -Positions into Clay Montmorillonite, Saponite, and Hectorite

1996; Volume: 277; Issue: 1 Linguagem: Inglês

10.1080/10587259608046017

1058-725X

Makoto Onaka, Tomotaka Shinoda, Katuhide Aichi, Kouji Suzuki, Yusukeizumi,

Supramolecular Chemistry and Complexes

Abstract A novel cationic porphyrin bearing flexible ω-ammonioalkyl side chains, TMAP-Cl was prepared in high yield by using the K10 method. It was found that TMAP-Cl can be quantitatively ion-exchanged into interlamellar spaces of Mont, Sapo, and Hecto without suffering any protonation to the porphine ring. Especially, in the TMAP-Mont intercalation compound, the interlamellar distance was expanded to 10 Å, which implies that a porphine ring in TMAP is installed upright rather than parallel to the clay surface.