Relevant bibliographies by topics / -[a]pyrimidin-4-ones

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Academic literature on the topic '-[a]pyrimidin-4-ones'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "-[a]pyrimidin-4-ones"

1

Guo, Cheng. "A facile synthesis of pyrimidin-4-ones." Tetrahedron Letters 51, no. 3 (2010): 548–49. http://dx.doi.org/10.1016/j.tetlet.2009.11.096.

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2

Bayard, Ph, F. Sainte, R. Beaudegnies, and L. Ghosez. "A Diels-Alder route towards pyrimidin-4-ones." Tetrahedron Letters 29, no. 31 (1988): 3799–802. http://dx.doi.org/10.1016/s0040-4039(00)82118-8.

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3

Toplak, Renata, Jurij Svete, Simona Golič Grdadolnik, and Branko Stanovnik. "Methyl (Z)-2-[(Benzyloxycarbonyl)amino]-3-dimethyl- aminopropenoate in the Synthesis of Heterocyclic Systems. Synthesis of (Benzyloxycarbonyl)amino Substituted Fused Pyrimidinones." Collection of Czechoslovak Chemical Communications 64, no. 2 (1999): 177–89. http://dx.doi.org/10.1135/cccc19990177.

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Methyl (Z)-2-[(benzyloxycarbonyl)amino]-3-dimethylaminopropenoate (1) was used as a reagent for preparation of 3-[(benzyloxycarbonyl)amino] substituted 4H-pyrido[1,2-a]pyrimidin-4-ones 17-21, 4H-pyrimido[1,2-b]pyridazin-4-ones 22 and 23, 5H-[1,2,4]triazolo[2,3-a]- pyrimidin-5-one 24, 5H-thiazolo[3,2-a]pyrimidin-5-one 25, and 4H-pyrazino[1,2-a]pyrimidin-4-one 26. Removal of the benzyloxycarbonyl group by catalytical transfer hydrogenation with Pd/C in the presence of cyclohexene is selective to give 3-amino-4H-pyrido[1,2-a]- pyrimidin-4-ones 27-30 in 85-92% yields, or with hydrogen bromide in a
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4

EL-Mahdy, Ahmed F. M., Hassan A. H. El-Sherief, and Zainab A. Hozien. "Convenient One-Pot Four-Component Synthesis of 6,8-Disubstituted-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4(3H)-ones via a Triple Mannich Reaction." Australian Journal of Chemistry 72, no. 7 (2019): 542. http://dx.doi.org/10.1071/ch19088.

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An efficient and simple one-pot four-component protocol has been developed and performed for the synthesis of 6,8-disubstituted-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4(3H)-ones, involving a triple Mannich reaction of 6-amino-2-(ethylthio)pyrimidin-4(3H)-one, formaldehyde, primary amines, and alcohols. Secondary amines were also utilised instead of alcohols as Mannich nucleophiles, and a variety of functional groups and electronically varied reaction partners were tolerated. This one-pot reaction facilitated the generation of a library of pyrimido[4,5-d]pyrimidin-4(3H)-ones in very good to
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5

Donghi, Monica, Silvia Pesci, Vincenzo Summa, Uwe Koch, Stephane Spieser, and Cristina Gardelli. "Regioselective Synthesis of 7,8-Dihydropyrrolo[1,2-a]pyrimidin-4(6H)-ones and 7,8-Dihydropyrrolo[1,2-a]pyrimidin-2(6H)-ones." Synlett 2010, no. 02 (2009): 235–39. http://dx.doi.org/10.1055/s-0029-1218566.

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6

Hermecz, István, Annamária Molnár, Ferenc Faigl, Benjamin Podányi, Zoltán Finta, and László Balázs. "Synthesis of Halogenated 4H-Pyrido[1,2-a]pyrimidin-4-ones." HETEROCYCLES 78, no. 10 (2009): 2477. http://dx.doi.org/10.3987/com-09-11746.

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7

Horváth, Gábor, István Hermecz, Ágnes Horváth, et al. "Electronic structure of 4H-pyrido[1,2-a]pyrimidin-4-ones." Journal of Heterocyclic Chemistry 22, no. 2 (1985): 481–89. http://dx.doi.org/10.1002/jhet.5570220255.

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8

Dennin, F., D. Blondeau, and H. Sliwa. "Synthesis of derivatives of pyrazino[1,2-a]pyrimidin-4-ones." Journal of Heterocyclic Chemistry 27, no. 6 (1990): 1639–43. http://dx.doi.org/10.1002/jhet.5570270621.

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9

Donghi, Monica, Silvia Pesci, Vincenzo Summa, Uwe Koch, Stephane Spieser, and Cristina Gardelli. "ChemInform Abstract: Regioselective Synthesis of 7,8-Dihydropyrrolo[1,2-a]pyrimidin-4(6H)-ones and 7,8-Dihydropyrrolo[1,2-a]pyrimidin-2(6H)-ones." ChemInform 41, no. 21 (2010): no. http://dx.doi.org/10.1002/chin.201021162.

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10

DENNIN, F., D. BLONDEAU, and H. SLIWA. "ChemInform Abstract: Synthesis of 9-Hydroxypyrimido(1,6-a)pyrimidin-4-ones." ChemInform 22, no. 19 (2010): no. http://dx.doi.org/10.1002/chin.199119193.

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Dissertations / Theses on the topic "-[a]pyrimidin-4-ones"

1

Fernandez, Beatriz. "New functionalisation chemistry of 2- and 4-pyridones and related heterocycles." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21685.

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New methodology for the synthesis of several 4H-pyrido[1,2-a]pyrimidin-4-ones has been developed from commercially available 2-aminopyridines and β-oxo esters catalysed by Montmorillonite under solvent-free conditions in good yields. This methodology was expanded for the synthesis of 4H-pyrimido[1,2-a]pyrimidin-4-one derivatives from 2-aminopyrimidine and different β-keto esters. The new methodology for the synthesis of N-alkylated 6-methyl 2-pyridones and N-alkylated 2-methyl 4-pyridones, from commercially available starting materials was developed. For the synthesis of N-alkylated 6-methyl 2
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