Polymorphism of pure p-tert-butylcalix[4]arene: conclusive identification of the phase obtained by desolvation.
In its pure form, the well-known host compound p-tert-butylcalix[4]arene forms at least two polymorphs; one of these phases is now identified as that formed upon guest removal.
Atwood
Jerry L
JL
Department of Chemistry, University of Missouri-Columbia, Columbia, MO 65211, USA. atwoodj@missouri.edu
Barbour
Leonard J
LJ
Jerga
Agoston
A