Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5224301 | Tetrahedron | 2008 | 8 Pages |
Abstract
Two novel crown ethers incorporating the acridinone and the 9-phenyl-9-methoxy-acridane unit were used to form pseudorotaxanes with the 1,2-bis(4,4′dipyridinium)ethane axle, which are stoppered by the alkylative method to form rotaxanes. The pseudorotaxane formed from the acridane-containing crown was photochemically converted to the corresponding acridinium methoxide thereby releasing the guest. The acridane-containing rotaxane could not be isolated because the preparation conditions formed the acridinium salt.
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