Host-Gest Complexatiom. 35. Spherands, the First Completely Preorganized Ligand Systems
Spherands 1-5 and related macrocycle 6 which are described in this paper are composed mainly of four to six aryloxy units attached to one another in such a way that the orbitals of the unshared electron pairs of their oxygens line an enforced cavity.These
Cram, Donald J.,Kaneda, Takahiro,Helgeson, Roger C.,Brown, S. Bruce,Knobler, Carolyn B.,at al.
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