Relevant bibliographies by topics / Aryls(Heteroaryls) compound

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Academic literature on the topic 'Aryls(Heteroaryls) compound'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Aryls(Heteroaryls) compound"

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Stefanello, Felipe S., Jean C. B. Vieira, Juliane N. Araújo, Vitória B. Souza, Clarissa P. Frizzo, Marcos A. P. Martins, Nilo Zanatta, Bernardo A. Iglesias, and Helio G. Bonacorso. "Solution and Solid-State Optical Properties of Trifluoromethylated 5-(Alkyl/aryl/heteroaryl)-2-methyl-pyrazolo[1,5-a]pyrimidine System." Photochem 2, no. 2 (May 19, 2022): 345–57. http://dx.doi.org/10.3390/photochem2020024.

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This paper describes the photophysical properties of a series of seven selected examples of 5-(alkyl/aryl/heteroaryl)-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidines (3), which contain alkyl, aryl, and heteroaryl substituents attached to the scaffolds of 3. Given the electron-donor groups and -withdrawing groups, the optical absorption and emission in the solid state and solution showed interesting results. Absorption UV–Vis and fluorescence properties in several solvents of a pyrazolo[1,5-a]pyrimidines series were investigated, and all derivatives were absorbed in the ultraviolet region despite presenting higher quantum emission fluorescence yields in solution and moderate emission in the solid state. Moreover, the solid-state thermal stability of compounds 3a–g was assessed using thermogravimetric analysis. The thermal decomposition profile showed a single step with almost 100% mass loss for all compounds 3. Additionally, the values of T0.05 are considerably low (72–187 °C), especially for compound 3a (72 °C), indicating low thermal stability for this series of pyrazolo[1,5-a]pyrimidines.
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Shui, Hongling, Yuhong Zhong, Renshi Luo, Zhanyi Zhang, Jiuzhong Huang, Ping Yang, and Nianhua Luo. "Cyclometalated iridium complexes-catalyzed acceptorless dehydrogenative coupling reaction: construction of quinoline derivatives and evaluation of their antimicrobial activities." Beilstein Journal of Organic Chemistry 18 (October 27, 2022): 1507–17. http://dx.doi.org/10.3762/bjoc.18.159.

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The acceptorless dehydrogenative coupling (ADC) reaction is an efficient method for synthesizing quinoline and its derivatives. In this paper, various substituted quinolines were synthesized from 2-aminobenzyl alcohols and aryl/heteroaryl/alkyl secondary alcohols in one pot via a cyclometalated iridium-catalyzed ADC reaction. This method has some advantages, such as easy availability of raw materials, mild reaction conditions, wide range of substrates, and environmental friendliness which conforms to the principles of green chemistry. Furthermore, a gram-scale experiment with low catalyst loading offers the potential to access the aryl/heteroaryl quinolones in suitable amounts. In addition, the antibacterial and antifungal activities of the synthesized quinolines were evaluated in vitro, and the experimental results showed that the antibacterial activities of compounds 3ab, 3ad, and 3ah against Gram-positive bacteria and compound 3ck against C. albicans were better than the reference drug norfloxacin.
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Kalam, Sirisha, Rajyalaxmi I, and Olivia S. "Synthesis and In vitro P-Glycoprotein Inhibitory Activity of Novel 1,4-Dihydropyridine Derivatives." International Journal of Pharmaceutical Sciences and Nanotechnology 7, no. 3 (August 31, 2014): 2544–52. http://dx.doi.org/10.37285/ijpsn.2014.7.3.6.

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Two series of new symmetrical 4-aryl-2,6-dimethyl-3,5-bis-N-(aryl/heteroaryl)-carbamoyl-1,4-dihydropyridines (4a-f) and asymmetrical 4-aryl-2,6-dimethyl-3-N-(aryl/hetero-aryl)-carbamoyl-5-ethyl carboxylate-1,4-dihydro-pyridines (5a-f) have been synthesized by simple, economical and eco-friendly, modified Hantzsch reaction using N-aryl/heteroarylacetoacetamides (3a-c), ethylaceto-acetate (for asymmetric), arylaldehydes and urea in presence of catalytic amounts of LiBr/Iodine and by microwave irradiation methods. The newly synthesized compounds were characterized by physical and spectral data, and evaluated for their possible in vitro MDR reversal activity by everted sac method using verapamil as standard P-gp inhibitor and domperidone as the standard P-gp substrate. Amongst the compounds tested, compound 4f exhibited the highest in vitro P-gp inhibitory activity. It was found to be more potent than the standard verapamil.
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Marzo, Leyre, Ignacio Pérez, Francisco Yuste, José Alemán, and José Luis García Ruano. "A straightforward alkynylation of Li and Mg metalated heterocycles with sulfonylacetylenes." Chemical Communications 51, no. 2 (2015): 346–49. http://dx.doi.org/10.1039/c4cc07574a.

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Coupling of alkynyl moieties to heterocyclic rings, without using transition metals, can be easily performed by the reaction of aryl or heteroaryl sulfonylacetylenes with heteroaryl-Li compounds or their corresponding less reactive magnesium derivatives.
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Narayanaperumal, Senthil, Ricardo S. Schwab, Wystan K. O. Teixeira, and Danilo Yano de Albuquerque. "Recent Advances in the Synthesis of Enantiomerically Enriched Diaryl, Aryl Heteroaryl, and Diheteroaryl Alcohols through Addition of Organometallic Reagents to Carbonyl Compounds." Synthesis 52, no. 13 (March 16, 2020): 1855–73. http://dx.doi.org/10.1055/s-0039-1690847.

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Enantiomerically enriched diaryl, aryl heteroaryl, and dihetero­aryl alcohols are an important family of compounds known for their biological properties. Moreover, these molecules are highly privileged scaffolds used as building blocks for the synthesis of pharmaceutically relevant products. This short review provides background on the enantioselective arylation and heteroarylation of carbonyl compounds, as well as, the most significant improvements in this field with special emphasis on the application of organometallic reagents.1 Introduction2 Background on the Enantioselective Synthesis of Diaryl, Aryl Heteroaryl, and Diheteroaryl Alcohols3 Organozinc Reagents4 Organolithium Reagents5 Grignard Reagents6 Organoaluminum Reagents7 Organotitanium Reagents8 Organobismuth Reagents9 Miscellaneous10 Conclusion
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Saritha, Rajendhiran, Sesuraj Babiola Annes, Subramanian Saravanan, and Subburethinam Ramesh. "Carbazole based Electron Donor Acceptor (EDA) catalysis for the synthesis of biaryl and aryl–heteroaryl compounds." Organic & Biomolecular Chemistry 18, no. 13 (2020): 2510–15. http://dx.doi.org/10.1039/d0ob00282h.

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Sitapara, Sachin M., Jignesh H. Pandya, and Chandankumar Pashavan. "An Efficient Synthesis of Novel Triazolo-pyrimidine Derivatives using Copper Catalyzed Click Chemistry (CuAAC) Approach." Asian Journal of Organic & Medicinal Chemistry 7, no. 2 (2022): 153–58. http://dx.doi.org/10.14233/ajomc.2022.ajomc-p378.

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To synthesize new chemical entities, we have a focus on the aryl or heteroaryl compounds. The current work also relates to the synthesis of pharmaceutical and medicinally active compositions containing these types of compounds and their vast application of treating a wide class of diseases i.e. anticancer, antibacterial, antifungal, antimalarial via administering substituted aryl or heteroaryl compounds. In this work, an efficient synthetic route is developed to explore a wide variety of 1H-1,2,3-triazol-1-yl-N- (4-phenylpyrimidin-2-yl)acetamide derivatives and convergent access a diverse array of triazolopyrimidine analogs via click chemistry approach. The structures elucidation was completed by using 1H & 13C NMR, FT-IR, mass spectroscopy, elemental analysis. The developed morpholino-pyrimidine derivatives were further utilized of a diverse range of their chemotherapeutic value.
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Gangadurai, Chinnakuzhanthai, Giri Teja Illa, and D. Srinivasa Reddy. "FeCl3-catalyzed oxidative decarboxylation of aryl/heteroaryl acetic acids: preparation of selected API impurities." Organic & Biomolecular Chemistry 18, no. 41 (2020): 8459–66. http://dx.doi.org/10.1039/d0ob01790f.

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An iron catalyzed one-pot, environmentally benign protocol for the oxidative decarboxylation of aryl/heteroaryl acetic acids to synthesize corresponding carbonyl compounds and five important API impurities is described.
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Malik, Ayesha, Nasir Rasool, Iram Kanwal, Muhammad Ali Hashmi, Ameer Fawad Zahoor, Gulraiz Ahmad, Ataf Ali Altaf, Syed Adnan Ali Shah, Sadia Sultan, and Zainul Amiruddin Zakaria. "Suzuki–Miyaura Reactions of (4-bromophenyl)-4,6-dichloropyrimidine through Commercially Available Palladium Catalyst: Synthesis, Optimization and Their Structural Aspects Identification through Computational Studies." Processes 8, no. 11 (October 23, 2020): 1342. http://dx.doi.org/10.3390/pr8111342.

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5-(4-bromophenyl)-4,6-dichloropyrimidine was arylated with several aryl/heteroaryl boronic acids via the Suzuki cross-coupling reaction by using Pd(0) catalyst to yield novel pyrimidine analogs (3a-h). It was optimized so that good yields were obtained when 5 mol % Pd(PPh3)4 was used along with K3PO4 and 1,4-Dioxane. Electron-rich boronic acids were succeeded to produce good yields of products. Density functional theory (DFT) calculations were also applied on these new compounds to analyze their reactivity descriptors and electronic and structural relationship. According to DFT studies, compound 3f is the most reactive one, while 3g is the most stable one. As per DFT studies, the hyperpolarizability (β) values of these compounds do not show them as very good non-linear optical (NLO) materials. Compound 3f has the highest β value among all the compounds under study but still it is not high enough to render it a potent NLO material.
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Saritha, Rajendhiran, Sesuraj Babiola Annes, Saravanan Subramanian, and Subburethinam Ramesh. "Correction: Carbazole based Electron Donor Acceptor (EDA) catalysis for the synthesis of biaryl and aryl–heteroaryl compounds." Organic & Biomolecular Chemistry 18, no. 15 (2020): 2962. http://dx.doi.org/10.1039/d0ob90043e.

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Correction for ‘Carbazole based Electron Donor Acceptor (EDA) catalysis for the synthesis of biaryl and aryl–heteroaryl compounds’ by Rajendhiran Saritha et al., Org. Biomol. Chem., 2020, DOI: 10.1039/d0ob00282h.
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Dissertations / Theses on the topic "Aryls(Heteroaryls) compound"

1

Jha, Abadh Kishor. "New strategies towards the functionalization of C-H and C-Cl bond of Aryls(Heteroaryls) and synthesis of Aza-Heterocycles." Thesis, 2018. http://eprint.iitd.ac.in:80//handle/2074/7941.

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Tseng, Tze-Wei, and 曾之緯. "Various and versatile methodologies for the preparation of aryl- and heteroaryl- fused coumarins, and their application to the synthesis of natural compounds: Angelicin, Seselin, Xanthxyletin and Psoralen." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/07967068754465331747.

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博士
國立中正大學
化學研究所
99
Various synthetic methods of benzocoumarins are described in this study. In chapter 2, we have developed a new and useful method of preparing 5,6-benzocoumarins (2–2g) with different substituents on a variety of positions. Their molecular skeletons were formed from the oxidation of 2H-pyrans by DDQ reagent. These 2H-pyrans were prepared by tandem reaction of cis-hydrogenation of enynals and electrocyclization. Various α-tetralones were used as starting materials. Heteroarene-fused coumarins (2h–2k) were also prepared respectively. In chapter 3, a modified synthetic route – α-tetralone keto ester was catalyzed by DBU– for Michael addation is described. The results not only represent sizable yield of 7,8-benzocoumarins (3–3g, 22b, 22c, 26) under convenient conditions, but also provide an efficient route for the synthesis of some natural products, such as Angelicin (28), Seselin (33), and Pyrone (39, 39d). In chapter 4, a new benzocoumarin building block method from β-tetralone has been discovered, under the condition of propiolic acid and HOTf, to give Claisen rearrangement products. The 5,6-benzocoumarin carbon skeleton from substituted β-tetralone was built up in 2 steps. In final chapter, previous reaction condition was carried out naphthols and meta-substituted phenols. Aromatic coumarins (63–79) and some natural products (83, 87) were prepared respectively.
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Book chapters on the topic "Aryls(Heteroaryls) compound"

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"2-Aryl(Heteroaryl)- and 2,3-Diaryl-(Diheteroaryl) Quinoxalines." In Chemistry of Heterocyclic Compounds: A Series Of Monographs, 233–40. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187333.ch15.

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