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One linear template 13 and one cyclophane template 15, both incorporating two electron rich 1,4-dialkoxybenzene units and one diamide unit, have been synthesized. By utilizing donor-acceptor interaction and/or intermolecular hydrogen bonding assembling principles, one novel hetero[3]rotaxane 22·4Cl, possessing one neutral and one tetracationic ring components, has been synthesized from 13, through neutral [2]rotaxane 21 as intermediate. With 15 as template, tetracationic [2]catenane 23·4PF6 was assembled by using donor-acceptor interaction, but no neutral [2]rotaxane could be obtained under the typical conditions of hydrogen bonding assembling principle. The interlocked supramolecular compounds have been characterized and their spectral properties are investigated.
By utilizing donor-acceptor interaction and / or intermolecular hydrogen bonding assembling principles, one novel hetero [3 ] rotaxane 22.4Cl, possessing one neutral and one tetracationic ring components, has been synthesized from 13, through neutral [2] rotaxane 21 as intermediate. With 15 as template, tetracationic [2] catenane 23.4PF6 was assembled by using donor- acceptor interaction, but no neutral [2] rotaxane could be obtained under the typical conditions of hydrogen bonding assembling principle. The interlocked supramolecular compounds have been characterized and their spectral properties are investigated.