108561-29-1Relevant articles and documents
Heterocyclic β-Enamino Esters, 48 Heterocondensed Pyridines by Cycloaddition-Extrusion Sequence of Bi- and Tricyclic 1,3-Oxazinones with N,N-Diethyl-1-propynylamine
Ming, Yang-fu,Horlemann, Norbert,Wamhoff, Heinrich
, p. 1427 - 1432 (2007/10/02)
Dihalotriphenylphosphoranes convert the N-benzoylated ethyl 2-amino-4,5-dihydrofuran- (5b), -pyrrole- (7b), -isooxazole- (9b), and -oxazole-3- or -4-carboxylates (11b) into heterocondensed 1,3-oxazinones 6, 8, 10, and 12.Treatment with N,N-diethyl-1-propy