Regioselectivity in the multicomponent reaction of 5-aminopyrazoles, cyclic 1,3-diketones and dimethylformamide dimethylacetal under controlled microwave heating

The multicomponent reaction of 5-aminopyrazole derivatives with cyclic 1,3-dicarbonyl compounds and dimethylformamide dimethylacetal (DMFDMA) in DMF at 150 °C under controlled microwave heating afforded regioselectively 8,9-dihydropyrazolo[1,5-a]quinazolin-6(7H)-ones 6 rather than the corresponding...

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Main Authors: Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed, Mohamed, Tahany Mahmoud, Moustafa, Moustafa Sherief, Elnagdi, Mohamed Hilmy
Formato: Artigo
Idioma:Inglês
Publicado: Beilstein-Institut 2012
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Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC3302079/
https://ncbi.nlm.nih.gov/pubmed/22423269
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3762/bjoc.8.3
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