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Relevant bibliographies by topics / Naphthyridines – Spectra

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Academic literature on the topic 'Naphthyridines – Spectra'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Naphthyridines – Spectra"

1

Wormell, P., and A. R. Lacey. "Electronic spectra of the naphthyridines: 1,8-naphthyridine." Chemical Physics 118, no. 1 (1987): 71–89. http://dx.doi.org/10.1016/0301-0104(87)85037-1.

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2

Wormell, P., and A. R. Lacey. "Electronic spectra of the naphthyridines: 2,7-naphthyridine." Chemical Physics 160, no. 1 (1992): 55–72. http://dx.doi.org/10.1016/0301-0104(92)87091-m.

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3

Gronowitz, Salo, Johan Malm, and Anna-Britta Hörnfeldt. "Synthesis of the six isomeric thieno[c]-fused 1,5- and 1,6-naphthyridines." Collection of Czechoslovak Chemical Communications 56, no. 11 (1991): 2340–51. http://dx.doi.org/10.1135/cccc19912340.

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trough the use of Pd(0)-catalyzed coupling between 2- and 4-formyl-3-thiopheneboronic acids and 3-amino-2-bromopyridine and 4-acetamido-3-bromopyridine, convenient one-pot procedures for the preparation of thieno[2,3-c]-1,5-naphthyridine, thieno[3,4-c]-1,5-naphthyridine, thieno-[2,3-c]-1,6-naphthyridine, and thieno[3,4-c]-1,6-naphthyridine have been developed. In order to obtain thieno[3,2-c]-1,6-naphthyridine 2-(tributylstannyl)-3-thiophene aldehyde had to be used, since the organometallic partner in the coupling reaction, 3-formyl-2-thipheneboronic acid, is too easily deboronated. The effect

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4

Chary, Maringanti Thirumala, Kaleru Mogilaiah, and Bathula Sreenivasulu. "Synthesis of 2-methyl-3-(5-phenyl or 1,5-diphenyl-2-pyrazolin-3-yl)-1,8-naphthyridines." Collection of Czechoslovak Chemical Communications 53, no. 7 (1988): 1543–48. http://dx.doi.org/10.1135/cccc19881543.

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3-Cinnamoyl-2-methyl-1,8-naphthyridines II have been synthesized utilizing Claisen-Schmidt condensation of 3-acetyl-2-methyl-1,8-naphthyridine I with aromatic aldehydes. The cinnamoyl naphthyridines react with hydrazine hydrate and phenylhydrazine to create the corresponding pyrazolinyl 1,8-naphthyridine derivatives (III and IV). The structures II-IV have been confirmed by their elemental analyses and spectral data. Some of the compounds have been screened for their fungicidal activity.

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5

Björk, Patrick, Anna-Britta Hörnfeldt, and Salo Gronowitz. "The syntheses and NMR spectra of the twelve isomeric thieno[b]fused naphthyridines." Journal of Heterocyclic Chemistry 31, no. 5 (1994): 1161–69. http://dx.doi.org/10.1002/jhet.5570310511.

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6

Mogilaiah, Kaleru, Kamreddy Rajendar Reddy, Gurram Rama Rao, and Bathula Sreenivasulu. "Synthesis of 2-methyl-3-(1-aryl-1H-tetrazol-5-yl)-1,8-naphthyridines." Collection of Czechoslovak Chemical Communications 53, no. 7 (1988): 1539–42. http://dx.doi.org/10.1135/cccc19881539.

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2-Methyl-3-(1-aryl-1H-tetrazol-5-yl)-1,8-naphthyridines III have been synthesized by the reaction of 2-methyl-N-aryl-1,8-naphthyridine-3-carboxyamides (I) with phosphorus pentachloride and azidolysis of the resulting imidoyl chlorides. Structures of these compounds have been established by means of their elemental analyses and spectral data.

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7

BJOERK, P., A. B. HOERNFELDT, and S. GRONOWITZ. "ChemInform Abstract: The Syntheses and NMR Spectra of the Twelve Isomeric Thieno(b)fused Naphthyridines." ChemInform 26, no. 14 (2010): no. http://dx.doi.org/10.1002/chin.199514170.

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8

Malm, Johan, Bengt Rehn, Anna-Britta Hörnfeldt, and Salo Gronowitz. "Synthesis and nmr spectra of the six isomeric thieno[c]-fused 1,7- and 1,8-naphthyridines." Journal of Heterocyclic Chemistry 31, no. 1 (1994): 11–15. http://dx.doi.org/10.1002/jhet.5570310102.

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9

MALM, J., B. REHN, A. B. HOERNFELDT, and S. GRONOWITZ. "ChemInform Abstract: Synthesis and NMR Spectra of the Six Isomeric Thieno(c)-fused 1,7- and 1,8-Naphthyridines." ChemInform 26, no. 11 (2010): no. http://dx.doi.org/10.1002/chin.199511168.

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10

KUNDENAPALLY, RAMALINGAM, RAMESH DOMALA, and B. SREENIVASULU. "Regioselective Synthesis of Novel [N-(4-Oxo-3-(2-phenyl-1,8-naphthyridin-3-yl)-thiazolidin-2-ylidene)]acetamide/benzamides and their Biological Activity." Asian Journal of Chemistry 31, no. 6 (2019): 1246–50. http://dx.doi.org/10.14233/ajchem.2019.21881.

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In an attempt to discover the new antibacterial agents to fight the bacterial infections, a series of 1,8-naphthyridine based 2-iminothiazolidin-4-one derivatives was synthesized by a straight-forward regioselective synthesis. 2-Phenyl-1,8-naphthyridin-3-amine (2) was reacted with acetyl or aroyl isothiocyantes to give the corresponding N-[(2-phenyl-1,8-naphthyridin-3-yl)carbamothioyl)]acetamide or benzamides (3a-e). Finally, the target compounds [N-(4-oxo-3-(2-phenyl-1,8-naphthyridin-3-yl)thiazolidin-2-ylidene)]acetamide or benzamides (4a-e) were obtained by the reaction of thiourea (3a-e) wi

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