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Relevant bibliographies by topics / 4-Dihydroxybenzophenone

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Academic literature on the topic '4-Dihydroxybenzophenone'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "4-Dihydroxybenzophenone"

1

Han, Jing, Ze-Tian Qin, Jing Zhang, et al. "Acute toxicity and ecological risk assessment of 4,4’-dihydroxybenzophenone, 2,4,4’-trihydroxybenzophenone and 4-MBC in ultraviolet (UV)-filters." PLOS ONE 16, no. 4 (2021): e0249915. http://dx.doi.org/10.1371/journal.pone.0249915.

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Ultraviolet (UV) filters are used in cosmetics, personal care products and packaging materials to provide sun protection for human skin and other substances. Little is known about these substances, but they continue to be released into the environment. The acute toxicity of 4,4’-dihydroxybenzophenone, 2,4,4’-trihydroxybenzophenone and 4-MBC to Chlorella vulgaris and Daphnia magna were analyzed in this study. The 96 h-EC50 values of 4,4’-dihydroxybenzophenone, 2,4,4’-trihydroxybenzophenone and 4-MBC on C. vulgaris were 183.60, 3.50 and 0.16874 mg/L, respectively. The 48 h-LC50 of 4,4’-dihydroxy

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2

Dodangeh, Mohammad, Ivo Grabchev, Kamaladin Gharanjig, Desislava Staneva, Ren-Cheng Tang, and Matthew Sheridan. "Modified PAMAM dendrimers as a matrix for the photostabilization of curcumin." New Journal of Chemistry 44, no. 39 (2020): 17112–21. http://dx.doi.org/10.1039/d0nj02737e.

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Six recently synthesised PAMAM dendrimers from zero, first and second generations curcumin and 2,4-dihydroxybenzophenone have been investigated in water/dioxane (4 : 1) (v/v) solution by absorption and fluorescence spectroscopy in order to determine their photostability.

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3

Inoue, Daisuke, Shoji Hara, Mari Kashihara, et al. "Degradation of Bis(4-Hydroxyphenyl)Methane (Bisphenol F) by Sphingobium yanoikuyae Strain FM-2 Isolated from River Water." Applied and Environmental Microbiology 74, no. 2 (2007): 352–58. http://dx.doi.org/10.1128/aem.01708-07.

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ABSTRACT Three bacteria capable of utilizing bis(4-hydroxyphenyl)methane (bisphenol F [BPF]) as the sole carbon source were isolated from river water, and they all belonged to the family Sphingomonadaceae. One of the isolates, designated Sphingobium yanoikuyae strain FM-2, at an initial cell density of 0.01 (optical density at 600 nm) completely degraded 0.5 mM BPF within 9 h without any lag period under inductive conditions. Degradation assays of various bisphenols revealed that the BPF-metabolizing system of strain FM-2 was effective only on the limited range of bisphenols consisting of two

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4

Moukova, Anna, Lukas Malina, Hana Kolarova, and Robert Bajgar. "Hyperoside as a UV Photoprotective or Photostimulating Compound—Evaluation of the Effect of UV Radiation with Selected UV-Absorbing Organic Compounds on Skin Cells." International Journal of Molecular Sciences 24, no. 12 (2023): 9910. http://dx.doi.org/10.3390/ijms24129910.

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Ultraviolet (UV) radiation is a non-ionizing radiation, which has a cytotoxic potential, and it is therefore necessary to protect against it. Human skin is exposed to the longer-wavelength components of UV radiation (UVA and UVB) from the sun. In the present paper, we focused on the study of eight organic UV-absorbing compounds: astragalin, beta-carotene, 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, hyperoside, 3-(4-methylbenzylidene)camphor, pachypodol, and trans-urocanic acid, as possible protectives of skin cells against UVA and UVB radiation. Their protective effects on skin

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5

Rajendiran, N., та G. Venkatesh. "Inclusion complexation of 4,4′-dihydroxybenzophenone and 4-hydroxybenzophenone with α- and β-cyclodextrins". Supramolecular Chemistry 26, № 10-12 (2014): 783–95. http://dx.doi.org/10.1080/10610278.2013.873125.

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6

Takeo, Masahiro, Junichi Akizuki, Aika Kawasaki, and Seiji Negoro. "Degradation Potential of the Nonylphenol Monooxygenase of Sphingomonas sp. NP5 for Bisphenols and Their Structural Analogs." Microorganisms 8, no. 2 (2020): 284. http://dx.doi.org/10.3390/microorganisms8020284.

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The nonylphenol-degrading bacterium Sphingomonas sp. strain NP5 has a very unique monooxygenase that can attack a wide range of 4-alkylphenols with a branched side chain. Due to the structural similarity, it can also attack bisphenolic compounds, which are very important materials for the synthesis of plastics and resins, but many of them are known to or suspected to have endocrine disrupting effects to fish and animals. In this study, to clarify the substrate specificity of the enzyme (NmoA) for bisphenolic compounds, degradation tests using the cell suspension of Pseudomonas putida harboring

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7

Patel, H. M., D. P. Rajani, M. G. Sharma, and H. G. Bhatt. "Synthesis, Molecular Docking and Biological Evaluation of Mannich Products Based on Thiophene Nucleus using Ionic Liquid." Letters in Drug Design & Discovery 16, no. 2 (2018): 119–26. http://dx.doi.org/10.2174/1570180815666180502123743.

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Background: We report here an efficient synthesis of new Mannich products 4(a-m) in excellent yields via multi-component reaction for the condensation of 5-bromothiophene- 2-carboxaldehyde (5-BT-2C), 2,4-dihydroxybenzophenone (2,4-DHBP) and primary/secondary amine derivative using Ethyl Ammonium Nitrate (EAN) as ionic liquid, which is reusable and plays an important role as a catalyst under 800C. </P><P> Methods: All synthesized compounds were characterized by FT-IR, 1H-NMR, 13C-NMR spectra. All compounds were screened for their in vitro antibacterial, antifungal and antituberculos

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8

Duró, Cintia, Tamás Jernei, Krisztina J. Szekeres, et al. "Synthesis and SAR Analysis of Novel 4-Hydroxytamoxifen Analogues Based on Their Cytotoxic Activity and Electron-Donor Character." Molecules 27, no. 19 (2022): 6758. http://dx.doi.org/10.3390/molecules27196758.

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Utilizing McMurry reactions of 4,4′-dihydroxybenzophenone with appropriate carbonyl compounds, a series of 4-Hydroxytamoxifen analogues were synthesized. Their cytotoxic activity was evaluated in vitro on four human malignant cell lines (MCF-7, MDA-MB 231, A2058, HT-29). It was found that some of these novel Tamoxifen analogues show marked cytotoxicity in a dose-dependent manner. The relative ROS-generating capability of the synthetized analogues was evaluated by cyclic voltammetry (CV) and DFT modeling studies. The results of cell-viability assays, CV measurements and DFT calculations suggest

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9

V., Krishna Reddy, Thippaiah J, Kesava Rao C., Raveendra Reddy P., and Sreenivasulu Reddy T. "2,4-Dihydroxybenzophenone benzoic hydrazone for spectrophotometric determination of copper(II) and iron(III) in soil and cement." Journal of Indian Chemical Society Vol. 76, May 1999 (1999): 275–76. https://doi.org/10.5281/zenodo.5851958.

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Department of Chemistry, Sri Krishnadevaraya University, Anantapur-515 003, India <em>Manuscript received 23 May 1997, revised 28 December 1998, accepted 4 February 1999</em> 2,4-Dihydroxybenzophenone benzoic hydrazone (<strong>DHBPBH)</strong> is employed as an analytical reagent for the spectrophotometric determination of copper and iron. The reagent forms 1 : 1 greenish yellow coloured complex with copper(II) at pH 4.0 and λ<sub>max</sub> 380 nm (E 1.55 x 10<sup>4</sup> dm<sup>3</sup> mol<sup>-1</sup> cm<sup>-1</sup>); Sandell's sensitivity 0.004 µg cm<sup>-2</sup>, and Bee

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10

Wu, Feng, Shengqiong Tan, Zhengjun Fang, et al. "Substituent Effects on the Ultraviolet Absorption Properties of 2,4-Dihydroxy Dibenzophenone." Molecules 27, no. 23 (2022): 8169. http://dx.doi.org/10.3390/molecules27238169.

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Substituent effects on the ultraviolet absorption properties of 2,4-dihydroxy dibenzophenone were investigated experimentally. Nine compounds of 2,4-dihydroxy dibenzophenone with different substituents were prepared by a solvent-free reaction of benzoyl chloride. The maximum absorption wavelength (λmax) of these samples was measured, and their UV resistance properties in cotton fabric as well as in polyester were determined. The results show that the λmax is dependent on the substituents at the benzylidene ring, and both electron donating substituents and electron withdrawing substituents caus

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Book chapters on the topic "4-Dihydroxybenzophenone"

1

Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex of 2, 4-dihydroxybenzophenone-2-iminoethanethiol." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_147.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of copper(II) complex of 2, 4-dihydroxybenzophenone-2-iminobenzenethiol." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53974-3_149.

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