Phosphorylated Resorcinol-based Cyclophanes

Abstract
Complete and partial O-functionalization of the octahydroxytetramethyl[1 4 ]metacyclophane with phosphoryl groups has been carried out, arid reversible intramolecular addition of hydroxy or trimethylsilyloxy groups to the neighbouring P O bonds with the formation of spirophosphorane fragments has been shown to be typical of the 3,10,17,24-tetrahydroxy(tetrakistrimethylsilbxy)-5,12,19,26-tetrakis- o -phenylenephosphoryloxy-1,8,15,22-tetramethyl [1 4 ]metacyclophane.

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