Preparation of 4,13,19,28-Tetrahydroxy-9,9,24,24-tetramethyl[2.1.2.1]metacyclophane, a Novel exo-Hydroxycalixarene Analogue
Abstract
A novel 4,13,19,28-tetrahydroxy-9,9,24,24-tetramethyl[2.1.2.1]metacyclophane is prepared from bisphenol A in six steps and found to have a saddle structure in solid state.