- NOVEL 4,5-DIHYDROPYRAZOLOPYRIMIDIN-4-ONES AND 3,4-DIHYDROPYRAZOLO-1,2,3-TRIAZIN-4-ONES
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β-benzylidene 3- and 5-amino-1-methyl-1H-pyrazole-4-carboxhydrazides 3 and 4 readily react with orthoesters to yield the 4,5-dihydropyrazolopyrimidin-4-ones 5-8.Syntheses of 3,4-dihydropyrazolo-1,2,3-triazin-4-ones 9, 10, 13 and 14 were achi
- Maquestiau, A.,Banneux, F.,Eynde, J.-J. Vanden
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p. 401 - 406
(2007/10/02)
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