Novel synthesis of a [10](2,6)pyridinophane, a structural isomer of muscopyridine

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Abstract
The [10](2,6)pyridinophane (8) is readily prepared in three steps from 1-methoxycyclododecene (1); the activated intermediate (5), formed by Beckmann rearrangement of the oxime (4), is intercepted by the intramolecular CC bond.