Browsing Externally hosted open access publications with University of Galway authors (1) by Subject "azepine-ring formation"
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Pyrimidine annelated heterocycles - synthesis and cycloaddition of the first pyrimido[1,4]diazepine n-oxides
(Royal Society of Chemistry (RSC), 2001-01-01)5-Formyl- and 5-acetyl-4-(alkenylamino)pyrimidines 5 have been prepared as precursors to novel pyrimido[1,4]diazepine N-oxides 3. In addition to cyclisation to the targeted dipoles the substrates 5 have also been observed ...