| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5270762 | Tetrahedron Letters | 2009 | 4 Pages |
Abstract
The viologen N,N′-dicyanomethyl-4,4′-bipyridinium·2PF6 was found to induce an aza-Diels–Alder reaction of N-arylimines with N-vinylpyrrolidinone or N-vinylcarbazole, producing tetrahydroquinoline derivatives with high cis/trans selectivities and yields.
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