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ABSTRACT:
SUBMITTER: Gargiulli C
PROVIDER: S-EPMC3589006 | biostudies-literature | 2012 Dec
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20121124 Pt 12
The title compound, C62H76O5, known to be one of the most versatile synthetic precursors/inter-mediates of calix[5]arene derivatives, adopts an approximate Cs -symmetric cone-in conformation. The aryl-oxybenzyl ring is tilted in such a way that the p-tert-butyl group fills the macrocycle cavity, while the benzyl group moves away from the cavity axis. In the crystal, this conformational arrangement is secured by intra- and inter-molecular O-H⋯O hydrogen bonds forming inversion dimers. Four tert-b ...[more]