109703-68-6Relevant articles and documents
Heterocyclen aus α-Nitroolefinen. XII. 3-Acetyl-4,5-dihydro-5-(methyleneamino)furane und 3-Acylpyrrole aus α-Nitroolefinen und β-Diketonen
Boberg, Friedrich,Garburg, Karl-Heinz,Goerlich, Karl-Joachim,Pipereit, Eberhard,Redelfs, Elke,Ruhr, Maria
, p. 1853 - 1859 (2007/10/02)
From α-nitroolefines 1 and β-diketones 2 3-acetyl-4,5-dihydro-5-(methyleneamino)furans 5 are prepared.Furans 5 react in acid medium to yield 1-unsubstituted 3-acylpyrroles 6, catalytic hydrogenation yields 1-substituted 3-acylpyroles 9.The (1)H-nmr and (13)C-nmr investigation prove the constitutions.