Relevant bibliographies by topics / Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)

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Academic literature on the topic 'Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)"

1

Mlakić, Milena, Anita Šalić, Matea Bačić, et al. "Photocatalytic Oxygenation of Heterostilbenes—Batch versus Microflow Reactor." Catalysts 11, no. 3 (2021): 395. http://dx.doi.org/10.3390/catal11030395.

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On the basis of earlier results with furan and thiophene derivatives of benzobicyclo[3.2.1]octadiene, photocatalytic oxygenation of novel furo- and thieno heterostilbenes with water-soluble manganese(III) porphyrins offered suitable possibilities to study their reactivities and reaction pathways depending on the heteroatom and the catalyst charge. The experiments were carried out in two reactors types (batch and microflow) to investigate the geometric effects. NMR spectroscopy, GC, and UPLC/MS analyses were applied for identification and quantification of the products. As our results indicated
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2

Pocheć, Michał, Karol Kułacz, Jarosław J. Panek, and Aneta Jezierska. "How Substitution Combines with Non-Covalent Interactions to Modulate 1,4-Naphthoquinone and Its Derivatives Molecular Features—Multifactor Studies." International Journal of Molecular Sciences 22, no. 19 (2021): 10357. http://dx.doi.org/10.3390/ijms221910357.

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Substitution is well-known to modulate the physico-chemical properties of molecules. In this study, a combined, multifactor approach was employed to determine a plethora of substitution patterns using –Br and –O-H in 1,4-naphthoquinone and its derivatives. On the basis of classical Density Functional Theory (DFT), 25 models divided into three groups were developed. The first group contains 1,4-naphthoquinone and its derivatives substituted only by –Br. The second group consists of compounds substituted by –Br and one –O-H group. As a result of the substitution, an intramolecular hydrogen bond
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3

RASEKH, MAHTAB FATHI. "THEORETICAL INVESTIGATION ON THE STRUCTURE AND PROPERTIES OF ALUMAZINE⋯M COMPLEXES (M = Li+, Na+, K+, Be2+, Mg2+, AND Ca2+)." Journal of Theoretical and Computational Chemistry 12, no. 05 (2013): 1350033. http://dx.doi.org/10.1142/s0219633613500338.

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The nature of alumazine⋯M ( M = Li+ , Na+ , K+ , Be2+ , Mg2+ , AND Ca2+ ) interactions was studied by ab initio calculations. The interaction energies were calculated at MP2/6-311++G(d,p)//B3LYP/6-311++G(d,p) level. The calculations suggest that the size and charge of cation are two important factors that affect the interaction energy, charge transfer values and the variation in aromaticity of alumazine ring upon complexation. The theory of atoms in molecules (AIM) and natural bond orbital (NBO) analyses of complexes indicate that the variation of densities and the extent of charge shifts upon
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4

Bouwens, Tessel, Simon Mathew, and Joost N. H. Reek. "p-Type dye-sensitized solar cells based on pseudorotaxane mediated charge-transfer." Faraday Discussions 215 (2019): 393–406. http://dx.doi.org/10.1039/c8fd00169c.

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5

Hu, Jian-yong, Ryuji Ueno, Minoru Miyazaki, and Takehiko Yamato. "Medium-sized Cyclophanes. Part 76.1 Synthesis of syn-9-methoxy (1,4)naphthaleno[3.3]metacyclophanes and their charge-transfer Complexes with Tetracyanoethylene in CH2Cl2." Journal of Chemical Research 2007, no. 7 (2007): 404–6. http://dx.doi.org/10.3184/030823407x228768.

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The charge-transfer band of syn-9-methoxy(1,4)naphthaleno[3.3]metacyclophanes with tetracyanoethylene in CH2Cl2 are observed in the range of 604–606 nm, which is arising from the exclusive formation on the naphthalene ring due to the expanded π-electron density as well as the steric hindrance of the inner methoxy group at 9-position.
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6

Neubauer, Antje, Sukumaran Murali, and Wolfgang Rettig. "Charge transfer control by substituents: Donor pyrroles and fluoro-anilines." International Journal of Photoenergy 7, no. 3 (2005): 121–24. http://dx.doi.org/10.1155/s1110662x05000188.

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Derivatives of N-phenyl pyrrole with a para-donor substituent on the acceptor benzene ring are compared. It is shown that by a suitable increase of the donor strength of the pyrrolo group, CT fluorescence can be achieved even for donor-donor substituted benzenes. On the other hand, introducing fluoro substituents into the acceptor moiety strongly enhances the CT formation tendency, and several new compounds with CT fluorescence even in alkane solvents are presented.
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7

Hamzehloueian, Mahshid, Saeid Yeganegi, Yaghoub Sarrafi, Kamal Alimohammadi, and Marzieh Sadatshahabi. "A theoretical investigation on the regioselectivity of the intramolecular hetero Diels-Alder and 1,3-dipolar cycloaddition of 2-vinyloxybenzaldehyde derivatives." Journal of the Serbian Chemical Society 79, no. 8 (2014): 911–24. http://dx.doi.org/10.2298/jsc140121012h.

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The present study reports a systematic computational analysis of the two possible pathways, fused and bridged, for an intramolecular hetero Diels-Alder (IMHDA) and an intramolecular 1,3-dipolar cycloaddition (IMDCA) of 2-vinyloxybenzaldehyde derivatives. The potential energy surface analysis for both reactions is in agreement with experimental observations. The activation energies associated with the two regioisomeric channels in IMHDA reaction show that the bridged product is favored, although in IMDCA, the most stable TS results the fused product. The global electronic properties of fragment
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8

Brownridge, Scott, Jack Passmore, and Xiaoping Sun. "The electrophilic substitution reaction of the dithionitronium cation [SNS]+ with benzene." Canadian Journal of Chemistry 76, no. 8 (1998): 1220–31. http://dx.doi.org/10.1139/v98-148.

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The compound [SNS]+([SNS][AsF6]) reacts with benzene in liquid sulfur dioxide to give orange-, blue-, and then purple-colored solutions. The assignment of the orange color to a molecule-ion charge-transfer complex [C6H6·SNS]+ is supported by the linear dependence of the ionization potential of the arenes (C6H6, C6HMe5, C6H5But, C6HMe5) and the energy of the charge-transfer absorption of freshly prepared arene-[SNS][AsF6] mixtures in liquid SO2 solution. Variable-temperature multinuclear NMR studies of the reactions of [SNS][AsF6] and [SNS][Sb2F11] with benzene are consistent with the blue colo
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9

Gupta, Neha, Samya Naqvi, Nikita Vasistha, Mahesh Kumar, and Rachana Kumar. "Comparative Charge Transfer Studies of Porphyrin-Fullerene Dyads: Substituents Effect." Journal of Nanoscience and Nanotechnology 20, no. 6 (2020): 3437–47. http://dx.doi.org/10.1166/jnn.2020.17422.

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The present study deals with the study of charge transfer and photophysical properties of synthesized non-metallated fullerene-porphyrin dyad-III (H2P3-C60) via Prato reaction. The porphyrin has been substituted with electron donating groups (3,5-di-tert-butylbenzene) at meso positions facilitating the effective charge transfer for the formation of long lived charge-separated states in dyad molecule. The photophysical and thermal activated conducting properties of dyad was comprehensively studied to establish the effect of substituents and also by comparing with our reported dyad II having onl
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10

Zhao, B., and M. H. Back. "The photochemistry of the rhodizonate dianion in aqueous solution." Canadian Journal of Chemistry 69, no. 3 (1991): 528–32. http://dx.doi.org/10.1139/v91-079.

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The thermal and photochemical reactions of rhodizonate dianion have been studied in aqueous solution in the presence of various oxidizing agents. Both reactions are initiated by electron transfer to an acceptor which is a sufficiently strong oxidizing agent. With hydrogen peroxide and ferricyanide a square root dependence of the rate on the concentration of additive was observed whereas with tetracyanoethylene the rate was first order with respect to additive. This difference in behaviour is explained on the basis of the rate of separation of ions from the initial charge transfer complex. In m
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Dissertations / Theses on the topic "Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)"

1

Zheng, Pinguan. "Deantiaromatization as a driving force in an electrocyclization of cyclopentadienone and the total synthesis of 1-epi-esco-pseudopteroxazole." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4669.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed Mar. 4, 2008). Vita. Includes bibliographical references.
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Books on the topic "Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)"

1

1941-, Coxon J. M., ed. Radical, single-electron transfer, and concerted reactions. JAI Press, 1991.

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2

Advances in Detailed Reaction Mechanisms: Radical, Single Electron Transfer, and Concerted Reactions : 1991 (Advances in Detailed Reaction Mechanisms). JAI Press, 1991.

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You might also be interested in the extended bibliographies on the topic 'Aromaticity (Chemistry) Charge transfer. Ring formation (Chemistry)' for particular source types:
Journal articles
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