The Chemistry of 3-Azaisatoic Anhydrides. Synthesis and Reactions of Polyaza Heterocycles
The preparation of a variety of N-substituted 3-azaisotoic anhydrides 3 and 8 is described.These anhydrides reacted with thiopseudoureas to give interesting bicyclic, tricyclic, and tetracyclic heterocycles many of which are new ring systems.One such hete
Coppola, Gary M.,Fraser, James D.,Hardtmann, Goetz E.,Shapiro, Michael J.
p. 193 - 206
(2007/10/02)
N-substituted-3-azaisatoic anhydrides
The novel 3,4-dihydro-1,3 dioxo-1,4 pyrido-(2,3-d)(1,3) oxazine compounds of this invention are useful as intermediates in the preparation of pharmaceutically active pyridopyrimidine-one compounds.
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(2008/06/13)
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