Dienophilicity of imidazole in inverse electron demand Diels-Alder reactions; Intramolecular reactions with 1,2,4-triazines.

[摘要] Imidazole and a-phenylimidazole undergo intramolecular cycloadditions with 1,2,4-triazines tethered between an imidazole nitrogen and the triazinyl C3 position with a trimethylene chain to produce tetrahydro-1,5-naphthyridines following loss of N-2 and a nitrile. (C) 1997 Elsevier Science Ltd.

[发布日期] 1997-10-27