N-Alkyl(aryl)-3-amino-5H,6H,7H-pyrrolo[1,2-a]imidazole-2-carboxamides were obtained by the interaction of 5-alkyl(aryl)amino-2-(3-phthalimidopropyl)-1,3-oxazole-4-carbonitriles with hydrazine hydrate and have been used for the synthesis of substituted 3H,4H,6H,7H,8H-pyrrolo[2,1-h]purin-4-ones, their thione analogs, and also 1,2,3,6,7,8-hexahydro-4H-pyrrolo[2′,1′:2,3]imidazo[4,5-d]-[1,3,2]diazaphosphinine derivatives.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1956–1962, December, 2012.
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Chumachenko, S.A., Shablykin, O.V. & Brovarets, V.S. Application of the Recyclization Products of 5-Alkyl(aryl)amino-2-(3-phthalimidopropyl)-1,3-oxazole-4-carbonitriles to the Synthesis of Condensed Tricyclic Nitrogenous Structures. Chem Heterocycl Comp 48, 1832–1838 (2013). https://doi.org/10.1007/s10593-013-1216-2
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DOI: https://doi.org/10.1007/s10593-013-1216-2
Keywords
- N-alkyl(aryl)-3-amino-5H,6H,7H-pyrrolo[1,2-a]imidazole-2-carboxamides
- 3-alkyl-2-mercapto-1,2,3,6,7,8-hexahydro-4H-pyrrolo[2′,1′:2,3]imidazo[4,5-d][1,3,2]diazaphosphinine-4-thione 2-sulfides
- 3-alkyl(aryl)-3H,4H,6H,7H,8H-pyrrolo[2,1-h]purin-4-ones
- 3-aryl-3H,4H,6H,7H,8H-pyrrolo-[2,1-h]purine-4-thiones
- recyclization.