Tetrahedron p. 5873 - 5886 (1987)
Update date:2022-07-29
Topics:
Grigg, Ronald
Dowling, Marie
Jordan, Maurice W.
Sridharan, Visuvanathar
Thianpatanagul, Sunit
Hydrazones of aldehydes and ketones undergo to intermolecular cycloaddition to electronnegative olefins via azomethine imines, formed by a formal 1,2-prototropic shift, in low to moderate yield on heating in xylene or ethanol.In some instances the reaction is diverted to give products derived (at least formally) from an ene reaction.Similar intramolecular cycloadditions occur with unactivated terminal alkenes and alkynes.
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