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Studies on Ketene and Its Derivatives. CXXII. Reaction of Haloketenes with 1,3-Diaza-1,3-diene Compounds
Niwa, Ryuji,Katagiri, Nobuya,Kato, Tetsuzo
, p. 4149 - 4153 (2007/10/02)
The reaction of haloketenes with 1,3-diaza-1,3-diene compounds, prepared by condensation of 2-amino-heterocycles with aromatic aldehydes, gave the cycloadducts, fused pyrimidones (6-17).However haloketenes underwent the cycloaddition with 2-(p-anisy
