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Relevant bibliographies by topics / Diaryl heterocycles

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Journal articles

Academic literature on the topic 'Diaryl heterocycles'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Diaryl heterocycles"

1

Maruthavanan, T., and P. Venkatesan. "Synthesis of Substituted 3,4-Dialkyl-2,6-Diaryl-Piperidin-4-ol Derivatives and Their Conformational Study." E-Journal of Chemistry 9, no. 2 (2012): 1029–34. http://dx.doi.org/10.1155/2012/783605.

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The synthesis of series of 3,4-dialkyl-2,6-diaryl-piperidin-4-ol derivatives(7-12)by reduction ofcis-3-alkyl-2,6-diarylpiperidin-4-one(1-6)using Grignard reagent has been reported. The synthesized heterocycles have been characterized on basis of spectroscopic data and their conformation has also been discussed.

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2

Shih[], Hsiencheng, Renshuay J. Shih, and Dennis A. Carson. "New heterocycles of 2,3-diaryl-substituted maleic hydrazides." Journal of Heterocyclic Chemistry 48, no. 6 (2011): 1243–50. http://dx.doi.org/10.1002/jhet.631.

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3

Raghuvanshi, Dushyant Singh, and Narsingh Verma. "Regioselective thiolation of electron rich arenes and heterocycles in recyclable catalytic media." RSC Advances 7, no. 37 (2017): 22860–68. http://dx.doi.org/10.1039/c7ra02350b.

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A convenient and novel approach has been developed for the synthesis of unsymmetrical diaryl sulfides by the reaction of sulfonyl hydrazides with phenols, aromatic amines and heterocycles using a [Bmim][Br] ionic liquid through C–S bonds formation.

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4

Shafiee, A., M. A. Ebrahimzadeh, and A. Maleki. "Selenium heterocycles. XLIII. Syntheses of 3,5-Diaryl-1,2,4-thiadiazoles and 3,5-Diaryl-1,2,4-selenadiazoles." Journal of Heterocyclic Chemistry 36, no. 4 (1999): 901–3. http://dx.doi.org/10.1002/jhet.5570360412.

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5

Yu, Jiayo, Beatrice Edjah, Hector Argueta-Gonzalez, et al. "13C NMR spectroscopy of heterocycles: 3,5-diaryl-4-bromoisoxazoles." Heterocyclic Communications 21, no. 5 (2015): 279–83. http://dx.doi.org/10.1515/hc-2015-0111.

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AbstractA series of 3,5-diarylisoxazoles (1–9) underwent reaction with N-bromosuccinimide in acetic acid to yield the corresponding 3.5-diaryl-4-bromoisoxazoles (1Br–9Br) in low to moderate yield. The X-ray structure of 3-(4-chlorophenyl)-5-phenyl-4-bromoisoxazole showed torsion angles of ~40° and ~36° between the 3- and 5-aryl groups and the central ring system, respectively. Molecular modeling studies predicted the 3,5-phenylisoxazole ring system to be essentially coplanar and the 3,5-diphenyl groups of the 4-bromoisoxazole derivative to be twisted with torsional angles of 50° and 37°, respe

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6

Sharma, Vandana, and K. V. Sharma. "Synthesis and Biological Activity of Some 3,5-Diaryl-1-Benzothiazolopyrazoline Derivatives: Reaction of Chalcones with 2-Hyrazinobenzothiazoles." E-Journal of Chemistry 6, no. 2 (2009): 348–56. http://dx.doi.org/10.1155/2009/391031.

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A series of 3,5-diaryl-1-benzothiazolopyrazoline derivatives were synthesized by the reaction of appropriately substituted chalcones and 2-hydrazinobenzothiazole in ethanol. The synthesized heterocycles have been characterized on the basis of their chemical properties and spectroscopic data. These compounds were tested for biological activity against a variety of test organisms.

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7

Tsyrenova, Biligma, and Valentine Nenajdenko. "Synthesis and Spectral Study of a New Family of 2,5-Diaryltriazoles Having Restricted Rotation of the 5-Aryl Substituent." Molecules 25, no. 3 (2020): 480. http://dx.doi.org/10.3390/molecules25030480.

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Efficient synthesis of 2,5-diaryl substituted 4-azido-1,2,3-triazoles by the reaction of sodium azide with dichlorosubstituted diazadienes was demonstrated. The optical properties of the prepared azidotriazoles were studied to reveal a luminescence maximum in the 360–420 nm region. To improve the luminescence quantum yields a family of 4-azido-1,2,3-triazoles bearing ortho-propargyloxy substituents in the 5 position was prepared. Subsequent intramolecular thermal cyclization permits to construct additional triazole fragment and obtain unique benzoxazocine derivatives condensed with two triazol

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8

Verardo, Giancarlo, Angelo G. Giumanini, Fausto Gorassini, Marilena Tolazzi, and Paolo Strazzolini. "Heterocycles from heterocycles. 1,3-Diaryl-4,5-imidazolidinediones from 1,3,5-triarylhexahydro-1,3,5-triazines and oxalyl chloride." Tetrahedron 49, no. 46 (1993): 10609–28. http://dx.doi.org/10.1016/s0040-4020(01)81552-0.

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9

Zhang, Hui, Weiguo Cao, Gang Liu, et al. "N-Heterocycle-Triggered MCRs: An Approach to the Concise Synthesis of Perfluoroalkylated Spiro-1,3-oxazines." Synthesis 50, no. 23 (2018): 4668–82. http://dx.doi.org/10.1055/s-0037-1609563.

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Multicomponent reactions involving methyl perfluoroalk-2-ynoates initiated by N-heterocycles (quinoline, isoquinoline, and benzothiazole) in the presence of isatins and diaryl 1,2-diketones allowed efficient access to trifluoromethyl- or other perfluoroalkyl-substituted spiro-1,3-oxazine derivatives. This facile transformation is regioselective and proceeded smoothly through a 1,4-dipolar intermediate under mild conditions, affording the products in good to excellent yields.

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10

Padmavathi, V., A. Balaiah, T. V. Ramana Reddy, B. Jagan Mohan Reddy, and D. Bhaskar Reddy. "2,6-Diaryl-4,4-disubstituted 1,4-dihydropyridines: Source for spiro heterocycles." Heteroatom Chemistry 14, no. 6 (2003): 513–17. http://dx.doi.org/10.1002/hc.10183.

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