The Organotin(IV) Coordination Polymer (( ß38 )4 ß(€ )6•2 2 •€4 802)": A Three-Dimensional Host-Guest Network Involving "Cascade-Type" Guests Macroor polycyclic Lewis base receptors1 require an appropriate disposition of Lewis acidic centers over the respective organic rings. Frequently, after the anchoring of at least two metal ions to selected N and/or 0 atoms of the ring as "primary guests",
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