- Rigid tetranitroresorcinarenes.
Rigid tetranitroresorcinarenes.
Organic letters (2002-04-27)
Alexander Shivanyuk, Adel Rafai Far, Julius Rebek
PMID11975627
ABSTRACT
[reaction: see text]. o-alkylation of C2V-symmetrical resorcinarene tetraesters 2 with 2 equiv of 1,3-difluoro-4,6-dinitrobenzene readily affords conformationally rigid octanitro resorcinarene 3, which is a potential scaffold for the design of supramolecular structures.
MATERIALS