Formation of the 3-aza[4.4.4]propellane system by rearrangement of a bridged isoquinoline
Abstract
6,8a-Ethano-1,2,3,4,5,6,7,8,8a-octahydroisoquinolyl carbinols (3 and 4, R = Et, Ph) undergo rearrangement in concentrated hydrochloric acid to give 3-aza[4.4.4]propellane derivatives (7, R = Et, Ph).
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