26- to 104-membered rings are the distinguishing features of the title compounds 1, which are obtainable in good yields by phase transfer catalysis. The crystal structures of the known species with n1, m2 and nm2 differ greatly from each other. The novel compounds with n1, m4, 6, 8 and n2, m4 have also been isolated.
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Dobler et al. (1985) studied this question.
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