Abstract
Aryl amines react with endocyclic ene-carbamates such as tert-butyl 2,3-dihydro-1 H-1-pyrrolecarboxylate and tert-butyl 1,2,3,4-tetrahydro-1-pyridinecarboxylate, on the surface of montmorillonite KSF clay under mild conditions to afford the corresponding 3-aminopropylhexahydropyrrolo[3,2- c]quinoline or 4-aminobutyloctahydrobenzo[ h][1,6]naphthyridine derivatives in excellent yields with moderate diastereoselectivity.
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