The preparation of a novel macrocyclic compound, tetrahydroxy[3.1.3.1]metacyclophane 5 by base-catalysed condensation of 1,3-(2,2′-dihydroxy-5,5′-di-tert-butyldiphenyl) propane 4 with formaldehyde in xylene in 90% yield is described and its conformational properties are discussed.
T. Yamato, Y. Saruwatari, S. Nagayama, K. Maeda and M. Tashiro, J. Chem. Soc., Chem. Commun., 1992, 861 DOI: 10.1039/C39920000861
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