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Filtros : "Journal of Heterocyclic Chemistry" Removido: "FERREIRA, THALITA CAMÊLO DA SILVA" Limpar

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  • Artigo de periodico

    Claisen rearrangement of hydroxynaphthoquinones: selectivity toward naphthofuran or α-xiloidone using copper salts and iodine (2015)

    Silva Júnior, Paulo Eliandro da; Araújo, Natália Maria de; Emery, Flávio da Silva

    Source: Journal of Heterocyclic Chemistry. Unidade: FCFRP

    Subjects: SÍNTESE QUÍMICA, FÁRMACOS DE ORIGEM VEGETAL, PRODUTOS NATURAIS, QUÍMICA MÉDICA

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    • ABNT

      SILVA JÚNIOR, Paulo Eliandro da e ARAÚJO, Natália Maria de e EMERY, Flávio da Silva. Claisen rearrangement of hydroxynaphthoquinones: selectivity toward naphthofuran or α-xiloidone using copper salts and iodine. Journal of Heterocyclic Chemistry, v. 52, n. 2, p. 518-521, 2015Tradução . . Disponível em: https://doi.org/10.1002/jhet.2087. Acesso em: 27 jun. 2025.

    • APA

      Silva Júnior, P. E. da, Araújo, N. M. de, & Emery, F. da S. (2015). Claisen rearrangement of hydroxynaphthoquinones: selectivity toward naphthofuran or α-xiloidone using copper salts and iodine. Journal of Heterocyclic Chemistry, 52( 2), 518-521. doi:10.1002/jhet.2087

    • NLM

      Silva Júnior PE da, Araújo NM de, Emery F da S. Claisen rearrangement of hydroxynaphthoquinones: selectivity toward naphthofuran or α-xiloidone using copper salts and iodine [Internet]. Journal of Heterocyclic Chemistry. 2015 ; 52( 2): 518-521.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.2087

    • Vancouver

      Silva Júnior PE da, Araújo NM de, Emery F da S. Claisen rearrangement of hydroxynaphthoquinones: selectivity toward naphthofuran or α-xiloidone using copper salts and iodine [Internet]. Journal of Heterocyclic Chemistry. 2015 ; 52( 2): 518-521.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.2087

  • Artigo de periodico

    An efficient synthesis of 3-hydroxychromone using niobium pentachloride (2003)

    Constantino, Maurício Gomes; Lacerda Júnior, Valdemar; Silva, Gil Valdo José da

    Source: Journal of Heterocyclic Chemistry. Unidade: FFCLRP

    Assunto: SÍNTESE ORGÂNICA

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      CONSTANTINO, Maurício Gomes e LACERDA JÚNIOR, Valdemar e SILVA, Gil Valdo José da. An efficient synthesis of 3-hydroxychromone using niobium pentachloride. Journal of Heterocyclic Chemistry, v. 40, p. 369-371, 2003Tradução . . Disponível em: https://doi.org/10.1002/jhet.5570400229. Acesso em: 27 jun. 2025.

    • APA

      Constantino, M. G., Lacerda Júnior, V., & Silva, G. V. J. da. (2003). An efficient synthesis of 3-hydroxychromone using niobium pentachloride. Journal of Heterocyclic Chemistry, 40, 369-371. doi:10.1002/jhet.5570400229

    • NLM

      Constantino MG, Lacerda Júnior V, Silva GVJ da. An efficient synthesis of 3-hydroxychromone using niobium pentachloride [Internet]. Journal of Heterocyclic Chemistry. 2003 ; 40 369-371.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570400229

    • Vancouver

      Constantino MG, Lacerda Júnior V, Silva GVJ da. An efficient synthesis of 3-hydroxychromone using niobium pentachloride [Internet]. Journal of Heterocyclic Chemistry. 2003 ; 40 369-371.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570400229

  • Artigo de periodico

    Synthesis of dihydrofuran rings using alpha-substituted beta-ketoamides (2003)

    Stefani, Hélio Alexandre ; Silva, Diogo O.; Costa, Iguatemi M.; Petragnani, Nicola

    Source: Journal of Heterocyclic Chemistry. Unidades: FCF, IQ

    Subjects: COMPOSTOS HETEROCÍCLICOS, QUÍMICA ORGÂNICA

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    • ABNT

      STEFANI, Hélio Alexandre et al. Synthesis of dihydrofuran rings using alpha-substituted beta-ketoamides. Journal of Heterocyclic Chemistry, v. 40, n. 1, p. 163-165, 2003Tradução . . Acesso em: 27 jun. 2025.

    • APA

      Stefani, H. A., Silva, D. O., Costa, I. M., & Petragnani, N. (2003). Synthesis of dihydrofuran rings using alpha-substituted beta-ketoamides. Journal of Heterocyclic Chemistry, 40( 1), 163-165.

    • NLM

      Stefani HA, Silva DO, Costa IM, Petragnani N. Synthesis of dihydrofuran rings using alpha-substituted beta-ketoamides. Journal of Heterocyclic Chemistry. 2003 ; 40( 1): 163-165.[citado 2025 jun. 27 ]

    • Vancouver

      Stefani HA, Silva DO, Costa IM, Petragnani N. Synthesis of dihydrofuran rings using alpha-substituted beta-ketoamides. Journal of Heterocyclic Chemistry. 2003 ; 40( 1): 163-165.[citado 2025 jun. 27 ]

  • Artigo de periodico

    Iodo cyclofunctionalization of 2,4-dialkenyl-1,3-dicarbonyl compounds: synthesis of substituted 3-(2-furylidene)-2-furanones (2002)

    Valduga, Claudete Justina; Stefani, Hélio Alexandre ; Petragnani, Nicola

    Source: Journal of Heterocyclic Chemistry. Unidades: FCF, IQ

    Subjects: COMPOSTOS HETEROCÍCLICOS, QUÍMICA ORGÂNICA

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      VALDUGA, Claudete Justina e STEFANI, Hélio Alexandre e PETRAGNANI, Nicola. Iodo cyclofunctionalization of 2,4-dialkenyl-1,3-dicarbonyl compounds: synthesis of substituted 3-(2-furylidene)-2-furanones. Journal of Heterocyclic Chemistry, v. 39, n. 4, p. 639-644, 2002Tradução . . Disponível em: https://doi.org/10.1002/jhet.5570390406. Acesso em: 27 jun. 2025.

    • APA

      Valduga, C. J., Stefani, H. A., & Petragnani, N. (2002). Iodo cyclofunctionalization of 2,4-dialkenyl-1,3-dicarbonyl compounds: synthesis of substituted 3-(2-furylidene)-2-furanones. Journal of Heterocyclic Chemistry, 39( 4), 639-644. doi:10.1002/jhet.5570390406

    • NLM

      Valduga CJ, Stefani HA, Petragnani N. Iodo cyclofunctionalization of 2,4-dialkenyl-1,3-dicarbonyl compounds: synthesis of substituted 3-(2-furylidene)-2-furanones [Internet]. Journal of Heterocyclic Chemistry. 2002 ; 39( 4): 639-644.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570390406

    • Vancouver

      Valduga CJ, Stefani HA, Petragnani N. Iodo cyclofunctionalization of 2,4-dialkenyl-1,3-dicarbonyl compounds: synthesis of substituted 3-(2-furylidene)-2-furanones [Internet]. Journal of Heterocyclic Chemistry. 2002 ; 39( 4): 639-644.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570390406

  • Artigo de periodico

    Studies on the preparation of 3,4-Disubstituted 2-Methoxypyridines (1999)

    Pelisson, Marcelo M. M.; Silva, Gil Valdo José da; Clive, Derrick L. J.; Coltard, Don M.; Hof, Fraser A.

    Source: Journal of Heterocyclic Chemistry. Unidade: FFCLRP

    Assunto: QUÍMICA

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    • ABNT

      PELISSON, Marcelo M. M. et al. Studies on the preparation of 3,4-Disubstituted 2-Methoxypyridines. Journal of Heterocyclic Chemistry, v. 36, p. 653-658, 1999Tradução . . Disponível em: https://doi.org/10.1002/jhet.5570360313. Acesso em: 27 jun. 2025.

    • APA

      Pelisson, M. M. M., Silva, G. V. J. da, Clive, D. L. J., Coltard, D. M., & Hof, F. A. (1999). Studies on the preparation of 3,4-Disubstituted 2-Methoxypyridines. Journal of Heterocyclic Chemistry, 36, 653-658. doi:10.1002/jhet.5570360313

    • NLM

      Pelisson MMM, Silva GVJ da, Clive DLJ, Coltard DM, Hof FA. Studies on the preparation of 3,4-Disubstituted 2-Methoxypyridines [Internet]. Journal of Heterocyclic Chemistry. 1999 ; 36 653-658.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570360313

    • Vancouver

      Pelisson MMM, Silva GVJ da, Clive DLJ, Coltard DM, Hof FA. Studies on the preparation of 3,4-Disubstituted 2-Methoxypyridines [Internet]. Journal of Heterocyclic Chemistry. 1999 ; 36 653-658.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570360313

  • Artigo de periodico

    Synthesis of 5-Cyanopyrazolo[3,4-b]pyridines in the reaction of 5-Amino-3-methyl-1-phenylpyrazole with Arylidene derivatives of malonodinitrile and Ethyl Cyanoacetate (1999)

    Quiroga, Jairo; Alvarado, Mario; Insuasty, Braulio; Moreno, Rodolfo; Ravina, Enrique; Estevez, Isabel; Santos, Regina Helena de Almeida

    Source: Journal of Heterocyclic Chemistry. Unidade: IQSC

    Assunto: QUÍMICA

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    • ABNT

      QUIROGA, Jairo et al. Synthesis of 5-Cyanopyrazolo[3,4-b]pyridines in the reaction of 5-Amino-3-methyl-1-phenylpyrazole with Arylidene derivatives of malonodinitrile and Ethyl Cyanoacetate. Journal of Heterocyclic Chemistry, v. 36, n. 5, p. 1311-1316, 1999Tradução . . Disponível em: https://doi.org/10.1002/jhet.5570360533. Acesso em: 27 jun. 2025.

    • APA

      Quiroga, J., Alvarado, M., Insuasty, B., Moreno, R., Ravina, E., Estevez, I., & Santos, R. H. de A. (1999). Synthesis of 5-Cyanopyrazolo[3,4-b]pyridines in the reaction of 5-Amino-3-methyl-1-phenylpyrazole with Arylidene derivatives of malonodinitrile and Ethyl Cyanoacetate. Journal of Heterocyclic Chemistry, 36( 5), 1311-1316. doi:10.1002/jhet.5570360533

    • NLM

      Quiroga J, Alvarado M, Insuasty B, Moreno R, Ravina E, Estevez I, Santos RH de A. Synthesis of 5-Cyanopyrazolo[3,4-b]pyridines in the reaction of 5-Amino-3-methyl-1-phenylpyrazole with Arylidene derivatives of malonodinitrile and Ethyl Cyanoacetate [Internet]. Journal of Heterocyclic Chemistry. 1999 ; 36( 5): 1311-1316.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570360533

    • Vancouver

      Quiroga J, Alvarado M, Insuasty B, Moreno R, Ravina E, Estevez I, Santos RH de A. Synthesis of 5-Cyanopyrazolo[3,4-b]pyridines in the reaction of 5-Amino-3-methyl-1-phenylpyrazole with Arylidene derivatives of malonodinitrile and Ethyl Cyanoacetate [Internet]. Journal of Heterocyclic Chemistry. 1999 ; 36( 5): 1311-1316.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570360533

  • Artigo de periodico

    Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines (1998)

    Insuasty, Braulio; Fernández, Fernando; Quiroga, Jairo; Moreno, Rodolfo; Martínez, Roberto; Angeles, Enrique; Gaviño, Rubén; Santos, Regina Helena de Almeida

    Source: Journal of Heterocyclic Chemistry. Unidade: IQSC

    Assunto: QUÍMICA

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      INSUASTY, Braulio et al. Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines. Journal of Heterocyclic Chemistry, v. 35, p. 977-981, 1998Tradução . . Disponível em: https://doi.org/10.1002/jhet.5570350432. Acesso em: 27 jun. 2025.

    • APA

      Insuasty, B., Fernández, F., Quiroga, J., Moreno, R., Martínez, R., Angeles, E., et al. (1998). Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines. Journal of Heterocyclic Chemistry, 35, 977-981. doi:10.1002/jhet.5570350432

    • NLM

      Insuasty B, Fernández F, Quiroga J, Moreno R, Martínez R, Angeles E, Gaviño R, Santos RH de A. Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines [Internet]. Journal of Heterocyclic Chemistry. 1998 ; 35 977-981.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570350432

    • Vancouver

      Insuasty B, Fernández F, Quiroga J, Moreno R, Martínez R, Angeles E, Gaviño R, Santos RH de A. Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines [Internet]. Journal of Heterocyclic Chemistry. 1998 ; 35 977-981.[citado 2025 jun. 27 ] Available from: https://doi.org/10.1002/jhet.5570350432

  • Artigo de periodico

    Reaction of 5-aminopyrazoles with 'Beta'-Dimethylaminopropiophenones: Synthesis of new pyrazolo[3,4-b]pyridines (1998)

    Quiroga, Jairo; Insuasty, Braulio; Cruz, S; Hernandez, P; Bolaños, A; Moreno, Rodolfo; Hormaza, Angelina; Santos, Regina Helena de Almeida

    Source: Journal of Heterocyclic Chemistry. Unidade: IQSC

    Assunto: QUÍMICA

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      QUIROGA, Jairo et al. Reaction of 5-aminopyrazoles with 'Beta'-Dimethylaminopropiophenones: Synthesis of new pyrazolo[3,4-b]pyridines. Journal of Heterocyclic Chemistry, v. 35, p. 333-338, 1998Tradução . . Acesso em: 27 jun. 2025.

    • APA

      Quiroga, J., Insuasty, B., Cruz, S., Hernandez, P., Bolaños, A., Moreno, R., et al. (1998). Reaction of 5-aminopyrazoles with 'Beta'-Dimethylaminopropiophenones: Synthesis of new pyrazolo[3,4-b]pyridines. Journal of Heterocyclic Chemistry, 35, 333-338.

    • NLM

      Quiroga J, Insuasty B, Cruz S, Hernandez P, Bolaños A, Moreno R, Hormaza A, Santos RH de A. Reaction of 5-aminopyrazoles with 'Beta'-Dimethylaminopropiophenones: Synthesis of new pyrazolo[3,4-b]pyridines. Journal of Heterocyclic Chemistry. 1998 ; 35 333-338.[citado 2025 jun. 27 ]

    • Vancouver

      Quiroga J, Insuasty B, Cruz S, Hernandez P, Bolaños A, Moreno R, Hormaza A, Santos RH de A. Reaction of 5-aminopyrazoles with 'Beta'-Dimethylaminopropiophenones: Synthesis of new pyrazolo[3,4-b]pyridines. Journal of Heterocyclic Chemistry. 1998 ; 35 333-338.[citado 2025 jun. 27 ]
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