Abstract
Methanol molecules add to the cyano groups of hexacyanocyclopropane 1 in the presence of sodium methylate to give 1,4-adduct 2. The interaction of 1 with N-methylpyridinium iodide leads to opening of the cyclopropane ring and to the formation of propenide 3 and iodine cyanide 4; the structure of 2 was established by an X-ray crystallographic study.
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