Tetrahedron p. 14687 - 14700 (1997)
Update date:2022-07-29
Topics:
Marx, Karsten
Eberbach, Wolfgang
Upon deprotonation of pentadienyl substituted pyridinium bromides 6/13, conjugated azomethine ylide-type dipoles are formed which undergo stereoselective 8π-electrocyclization affording 10,10a-dihydropyrido[1,2-a]-azepines 8a-k and 15a,b, respectively.
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Doi:10.1016/S0022-328X(97)00389-6
(1997)Doi:10.1039/jr9470000323
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