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Journal articles on the topic 'P-methoxybenzoic acid'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Vikas, V. Vaidya Manjiri A.Shinde* Pushkar M. Pradhan. "SEPARATION AND QUANTIFICATION OF PHARMACOLOGICALLY ACTIVE MARKERS p-METHOXY BENZOIC ACID, 3, 4-DIHYDROXYBENZOIC ACID AND GALLIC ACID FROM CAPPARIS SPINOSA AND FROM MARKETED FORMULATION BY HPTLC." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 02 (2018): 1226–32. https://doi.org/10.5281/zenodo.1190298.

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A simple, accurate, precise and reproducible High Performance Thin Layer Chromatographic (HPTLC) method for simultaneous quantification of p-methoxybenzoic acid, 3, 4-dihydroxybenzoic acid and Gallic acid in the leaf extract of Capparis spinosa was developed. Chromatography was performed on silica gel 60 F254 pre-coated HPTLC plates with double development using two solvent systems. Using first solvent system, Chloroform: Ethyl acetate: Formic acid: Glacial acetic acid 7.5 : 2 : 0.5 : 0.5 (v/v/v/v) the plate was developed till 80 mm while the second development was carried out till 85 mm using

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2

Wang, Jian, Liu Ping, Yun Chen, and Zheng Liu. "Aquabis(p-methoxybenzoato)(1,10-phenanthroline)manganese(II)p-methoxybenzoic acid." Acta Crystallographica Section E Structure Reports Online 60, no. 5 (2004): m628—m630. http://dx.doi.org/10.1107/s1600536804003332.

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3

Khanapure, Renukacharya Ganapati, Sharad Kashinath Awate, and Suresh Vasant Patil. "in situ Chemical Synthesis of PANI by Using Aromatic Carboxylic Acid as Dopant for Detection of Ammonia at Room Temperature." Asian Journal of Chemistry 33, no. 8 (2021): 1805–10. http://dx.doi.org/10.14233/ajchem.2021.23249.

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In this work, polyaniline (PANI) film was successfully synthesized by in situ chemical polymerization technique by using aromatic carboxylic acids like benzoic acid, p-methoxybenzoic acid and p-nitrobenzoic acid, doped in presence of ammonium persulphate as an oxidant. Electric conductivity study of doped polyaniline has been studied concerning temperature. Surface composition morphology and structure of synthesized carboxylic acid doped polyaniline were characterized via different methods such as the electrical conductivity by two probes, UV-vis spectroscopy, FTIR spectroscopy, X-ray diffract

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4

Fausto, R., A. Matos-Beja, and J. A. Paixão. "Molecular structure and charge density analysis of p-methoxybenzoic acid (anisic acid)." Journal of Molecular Structure 435, no. 3 (1997): 207–18. http://dx.doi.org/10.1016/s0022-2860(97)00187-7.

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5

Palafox, M. Alcolea, M. Gil, and J. L. Núñez. "Spectroscopy of p-Methoxybenzoic Acid: An AM1 and ab Initio Study." Applied Spectroscopy 48, no. 1 (1994): 27–36. http://dx.doi.org/10.1366/0003702944027660.

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The vibrational spectra of p-methoxybenzoic acid (anisic acid) were calculated and compared with the experimental spectra. All measured bands in the IR and Raman spectra were interpreted in terms of calculated vibrations from the AM1 and 4–21G* methods, and their frequencies were correlated. Several scale coefficients were used to improve the theoretical spectra. The optimum geometric parameters were also computed with the AM1 semiempirical method and with the 4–21G* ab initio procedure.

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6

Guo, Yan, Qingqing Song, Tongyu Xu, Jiani Ma, and David Lee Phillips. "The solvent effect on the photodeprotection of anthraquinone protected carboxylic acid unravelled by time-resolved spectroscopic studies." Physical Chemistry Chemical Physics 21, no. 27 (2019): 14598–604. http://dx.doi.org/10.1039/c9cp01227c.

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Time-resolved spectroscopy studies coupled with the results from density functional theory (DFT) computations unraveled the photodeprotection reaction mechanism(s) of AQ protected p-methoxybenzoic acid and the solvent effect on the photodeprotection.

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7

Gorokhova, Larisa G., Nadezhda N. Mikhailova, Evgeniya V. Ulanova, and Tatyana K. Yadykina. "Assessment of the toxicity of benzoic acid derivatives in the intragastric intake." Hygiene and sanitation 99, no. 7 (2020): 755–60. http://dx.doi.org/10.47470/0016-9900-2020-99-7-755-760.

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Introduction. Benzoic acid and its numerous derivatives are widely used in all areas of chemical production. However, there is no information about the toxic properties of a large number of benzoic acid derivatives. The purpose of the study was to study the toxic properties of several derivatives of benzoic acids in intragastric intake in an experiment.Material and methods. The following derivatives of benzoic acid were studied: 4-chlorobenzoic, 4-methoxybenzoic, p-acetoxybenzoic and 2-methoxy-5-sulfamoylbenzoic acids. The studies were performed on white laboratory rats; toxicity was studied i

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8

Kalinowska, M., R. Świsłocka, E. Regulska, and W. Lewandowski. "The effect of alkali metal ions on the electronic structure ofp-anisic acid1." Spectroscopy 24, no. 5 (2010): 449–59. http://dx.doi.org/10.1155/2010/574024.

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FT-IR (in solid state and solution), FT-Raman, UV and1H,13C NMR spectra of p-methoxybenzoic (p-anisic) acid and lithium, sodium, potassium, rubidium and caesiump-methoxybenzoates (p-anisates) were registered, assigned and analyzed. The structures of anisic acid and Li, Na and Kp-anisates were optimised at the B3LYP/6-311++G** level. The IR spectra and NPA, ChelpG and MK atomic charges were calculated. The effect of metal ions on the electronic charge distribution in ligand was discussed.

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9

Amaro-Luis, Juan Manuel, Sonia Koteich-Khatib, Freddy Carrillo-Rodríguez, and Alí Bahsas. "Myrsicorianol, A New Prenylated Benzoic Acid Derivative from Myrsine Coriacea." Natural Product Communications 3, no. 3 (2008): 1934578X0800300. http://dx.doi.org/10.1177/1934578x0800300304.

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A new prenylated benzoic acid derivative, named myrsicorianol (1), was isolated from the fruits of Myrsine coriacea and its structure was determined by spectral analysis, including 1D- and 2D-NMR experiments. Myrsinoic acid A and a mixture of the p-benzoquinones, embelin, rapanone and 2,5-dihydroxy-3-pentadecyl-1,4-benzoquinone (homorapanone) were also obtained from the fruits, whilst the bark afforded myrsinoic acid A, myrsinoic acid B, 3-(3′,7′-dimethyl-2′,6′-octadienyl)-4-hydroxybenzoic acid and 3-(3′,7′-dimethyl-2′,6′-octadienyl)-4-methoxybenzoic acid.

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10

Kubo, Isao, Qing-Xi Chen, Ken-Ichi Nihei, José S. Calderón, and Carlos L. Céspedes. "Tyrosinase Inhibition Kinetics of Anisic Acid." Zeitschrift für Naturforschung C 58, no. 9-10 (2003): 713–18. http://dx.doi.org/10.1515/znc-2003-9-1021.

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AbstractAnisic acid (p-methoxybenzoic acid) was characterized as a tyrosinase inhibitor from aniseed, a common food spice. It inhibited the oxidation of l-3,4-dihydroxyphenylalanine (ʟ- DOPA) catalyzed by tyrosinase with an IC50 of 0.60 mᴍ. The inhibition of tyrosinase by anisic acid is a reversible reaction with residual enzyme activity. This phenolic acid was found to be a classical noncompetitive inhibitor and the inhibition constant KI was obtained as 0.603 mᴍ. Anisic acid also inhibited the hydroxylation of ʟ-tyrosine catalyzed by tyrosinase. The lag phase caused by the monophenolase acti

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11

Liên, Tạ Thị. "STRUCTURAL ELUCIDATION OF FIVE PHENOLIC COMPOUNDS FROM THE RHIZOMES OF CURCULIGO ANNAMITICA GAGNEP." Vietnam Journal of Science and Technology 56, no. 4A (2018): 99. http://dx.doi.org/10.15625/2525-2518/56/4a/13011.

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Phytochemical research on the chloroform and ethyl acetate extracts of the rhizome of Curculigo annamitica Gagnep (Hypoxidaceae) collected in Binh Chau-Phuoc Buu Nature Reserve, Ba Ria - Vung Tau province, led to the isolation and structural elucidation of five phenolic compounds namely 2-hydroxy-3,4-dimethoxybenzoic acid (1), 2-hydroxy-6-methoxybenzoic acid (2), 4-hydroxybenzoic acid (3), p-coumaric acid (4) and 2-(ethoxymethyl)benzene-1,4-diol (5). Their chemical structures were confirmed by spectroscopic methods including HR-ESI-MS, 1D and 2D-NMR and compared with reported data. Compound 1

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12

Pekala, Karolina, Katarzyna Wawrzusiszyn, and Anna Bogucka-Kocka. "Phenolic substances in Ailanthus glandulosa Desf." Current Issues in Pharmacy and Medical Sciences 27, no. 2 (2014): 84–87. http://dx.doi.org/10.2478/cipms-2014-0019.

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Abstract The aim of this work was the isolation and identification of phenolic acids from fruit and leaves of Ailanthus glandulosa Desf. The methods used in the isolation and identification of the compounds were: isolation of phenolic acids modified by Ibrahim and Towers, acidic and alkaline hydrolysis by Schmidtlein and Herrmann and identification of phenolic acids in the isolated fraction of two-dimensional thin layer chromatography (TLC) on cellulose plates. In the course of the study, the presence of phenolic acids in leaves and fruit of Ailanthus glandulosa Desf was confirmed. Overall, pr

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13

Andreev, Grigory, Nina Budantseva, and Anastasiya Levtsova. "Variability of structural motifs in the crystal structure of U(vi) complexes with p-methoxybenzoic acid." CrystEngComm 22, no. 29 (2020): 4942–51. http://dx.doi.org/10.1039/d0ce00681e.

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14

Du, Yan-Zhu, and Ji-Min Zheng. "Syntheses, structures and magnetic properties of a series of lanthanide complexes based on p-methoxybenzoic acid." Inorganic Chemistry Communications 66 (April 2016): 59–63. http://dx.doi.org/10.1016/j.inoche.2016.01.020.

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15

Wang, Guangle, Zeren Shang, Mingdi Liu, et al. "Insight into the Nucleation Mechanism of p-Methoxybenzoic Acid in Ethanol-Water System from Metastable Zone Width." Molecules 27, no. 13 (2022): 4085. http://dx.doi.org/10.3390/molecules27134085.

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The metastable zone width (MSZW) of p-methoxybenzoic acid (PMBA) in an ethanol-water system was measured using the polythermal method. The nucleation order m obtained by the Nývlt’s model indicates the nucleation of PMBA following a progressive nucleation mechanism at low saturation temperature (m = 3.18–7.50) and an instantaneous nucleation mechanism at high saturation temperature (m = 1.46–2.55). Then, combined with the metastable zone experiment and the Sangwal model, we found that the MSZW and the interfacial energy reached the maximum when the mass fraction of ethanol was 0.8, which resul

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16

LYNAS, John, and Brian WALKER. "Peptidyl inverse esters of p-methoxybenzoic acid: a novel class of potent inactivator of the serine proteases." Biochemical Journal 325, no. 3 (1997): 609–16. http://dx.doi.org/10.1042/bj3250609.

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A series of novel synthetic peptides, containing a C-terminal β-amino alcohol linked to p-methoxybenzoic acid via an ester linkage, have been prepared and tested as inhibitors against typical members of the serine protease family. For example, the sequences Ac-Val-Pro-NH-CH-(CH2-C6H5)-CH2O-CO-C6H4-OCH3 (I) and Ac-Val-Pro-NH-CH-[CH-(CH3)2]-CH2O-CO-C6H4-OCH3 (II), which fulfil the known primary and secondary specificity requirements of chymotrypsin and elastase respectively, have been found to behave as exceptionally potent irreversible inactivators of their respective target protease. Thus I wa

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17

Okuyama, Tadashi, Masakazu Kitano, and Takayuki Fueno. "Hydrolysis of mixed O,S-ortho esters of p-methoxybenzoic acid. Reactivity and partitioning of the tetrahedral intermediates." Journal of Organic Chemistry 52, no. 13 (1987): 2657–61. http://dx.doi.org/10.1021/jo00389a005.

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18

SOMA, MAHFUZA AFROZ, MOHAMMAD FIROZ KHAN, FAIZA TAHIA, MD ABDULLAH AL-MANSUR, MOHAMMAD SHARIFUR RAHMAN, and MOHAMMAD ABDUR RASHID. "Cyclooxygenase-2 Inhibitory Compounds from the Leaves of Glycosmis pentaphylla (Retz.) A. DC.: Chemical and in silico Studies." Asian Journal of Chemistry 31, no. 6 (2019): 1260–64. http://dx.doi.org/10.14233/ajchem.2019.21913.

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Glycosmis pentaphylla is traditionally used for treating many diseases in Bangladesh. Anti-inflammatory and analgesic effects of Glycosmis pentaphylla have been reported prominently but no bioactive element has been identified so far. In order to explore its analgesic and antiinflammatory compound(s), phytochemical analysis was conducted. Nine compounds were isolated from the methanol extract of leaves of Glycosmis pentaphylla whose structures were solved as arborinine (1), vanillic acid (2), 3-hydroxy-4-methoxybenzoic acid (3), benzoic acid (4), p-hydroxybenzoic acid (5), stigmasterol (6), β-

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19

Shao, Shuyan, Fengmin Liu, Gang Fang, Baohua Zhang, Zhiyuan Xie, and Lixiang Wang. "Enhanced performances of hybrid polymer solar cells with p-methoxybenzoic acid modified zinc oxide nanoparticles as an electron acceptor." Organic Electronics 12, no. 4 (2011): 641–47. http://dx.doi.org/10.1016/j.orgel.2011.01.011.

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20

Koeduka, Takao, Mami Kajiyama, Hideyuki Suzuki, Takumi Furuta, Tomohiko Tsuge, and Kenji Matsui. "Benzenoid biosynthesis in the flowers of Eriobotrya japonica: molecular cloning and functional characterization of p-methoxybenzoic acid carboxyl methyltransferase." Planta 244, no. 3 (2016): 725–36. http://dx.doi.org/10.1007/s00425-016-2542-2.

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21

Tsvetanova, Flora V., Stanislava S. Boyadzhieva, Jose A. Paixão Coelho, Dragomir S. Yankov, and Roumiana P. Stateva. "Sustainable Transformation of Two Algal Species of Different Genera to High-Value Chemicals and Bioproducts." Molecules 29, no. 1 (2023): 156. http://dx.doi.org/10.3390/molecules29010156.

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This study investigates the potential of two algae species from different genera, namely the recently isolated Scenedesmus obliquus BGP and Porphyridium cruentum, from the perspective of their integral sustainable transformation to valuable substances. Conventional Soxhlet and environmentally friendly supercritical fluid extraction were applied to recover oils from the species. The extracts were characterized through analytical techniques, such as GC-Fid and LC-MS/MS, which allowed their qualitative and quantitative differentiation. Thus, P. cruentum oils contained up to 43% C20:4 and C20:5 fa

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22

IWAHASHI, Hideo. "Some polyphenols inhibit the formation of pentyl radical and octanoic acid radical in the reaction mixture of linoleic acid hydroperoxide with ferrous ions." Biochemical Journal 346, no. 2 (2000): 265–73. http://dx.doi.org/10.1042/bj3460265.

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Effects of some polyphenols and their related compounds (chlorogenic acid, caffeic acid, quinic acid, ferulic acid, gallic acid, D-(+)-catechin, D-(-)-catechin, 4-hydroxy-3-methoxybenzoic acid, salicylic acid, L-dopa, dopamine, L-adrenaline, L-noradrenaline, o-dihydroxybenzene, m-dihydroxybenzene, and p-dihydroxybenzene) on the formation of 13-hydroperoxide octadecadienoic (13-HPODE) acid-derived radicals (pentyl radical and octanoic acid radical) were examined. The ESR spin trapping showed that chlorogenic acid, caffeic acid, gallic acid, D-(+)-catechin, D-(-)-catechin, L-dopa, dopamine, L-ad

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23

Ogunade, Ibukun M., Jerusha Lay, Kenneth Andries, and Frederick Bebe. "PSIX-6 Effects of a live yeast product on ruminal bacterial diversity and metabolome of beef cattle." Journal of Animal Science 97, Supplement_3 (2019): 395. http://dx.doi.org/10.1093/jas/skz258.788.

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Abstract This study utilized 16S ribosomal ribonucleic acid (rRNA) sequencing and liquid chromatography-mass spectrometry (LC-MS)-based metabolomic profiling to evaluate the effects of a live yeast product on ruminal bacterial diversity and metabolome of beef steer. Eight rumen-cannulated Holstein steers were assigned randomly to 1 of 2 treatment sequences in a study with two 25-d experimental periods and a crossover design. The steers were fed 50% concentrate-mix and 50% red clover hay ad libitum. Dietary treatments were (1) control (CON; basal diet) and (2) yeast (YEA; basal diet plus 15 g/d

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24

Lym, Rodney G., and Neil E. Humburg. "Control of Growth Regulator Preconditioned Field Bindweed (Convolvulus arvensis) with Herbicides." Weed Technology 1, no. 1 (1987): 46–51. http://dx.doi.org/10.1017/s0890037x00029109.

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The effect of various growth regulators on seedling field bindweed (Convolvulus arvensisL. # CONAR) growth and control with herbicides was evaluated. Fourteen growth regulators were applied at 0.38 to 380 g/ha 7 days before herbicide application in greenhouse, growth chamber and field studies. Field bindweed seedlings pretreated with growth regulators were more effectively controlled by herbicides compared to those not pretreated in greenhouse evaluations. Abscisic acid [[R-(Z,E)]-(+)-5-(1-hydroxy-2,6-6-trimethyl-4-oxo-2-cyclohexane-1-yl)-3-methyl-2,4-pentadicenoic acid] (ABA), ancymidol [a-cy

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25

Ferreira, Patricia, Milagros Medina, Francisco Guillén, María Jesús Martínez, Willem J. H. Van Berkel, and Ángel T. Martínez. "Spectral and catalytic properties of aryl-alcohol oxidase, a fungal flavoenzyme acting on polyunsaturated alcohols." Biochemical Journal 389, no. 3 (2005): 731–38. http://dx.doi.org/10.1042/bj20041903.

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Spectral and catalytic properties of the flavoenzyme AAO (aryl-alcohol oxidase) from Pleurotus eryngii were investigated using recombinant enzyme. Unlike most flavoprotein oxidases, AAO does not thermodynamically stabilize a flavin semiquinone radical and forms no sulphite adduct. AAO catalyses the oxidative dehydrogenation of a wide range of unsaturated primary alcohols with hydrogen peroxide production. This differentiates the enzyme from VAO (vanillyl-alcohol oxidase), which is specific for phenolic compounds. Moreover, AAO is optimally active in the pH range of 5–6, whereas VAO has an opti

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26

Delgado-Martínez, Patricia, Luis Moreno-Martínez, Rodrigo González-Prieto, Santiago Herrero, José L. Priego, and Reyes Jiménez-Aparicio. "Steric, Activation Method and Solvent Effects on the Structure of Paddlewheel Diruthenium Complexes." Applied Sciences 12, no. 3 (2022): 1000. http://dx.doi.org/10.3390/app12031000.

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Conventional heating and solvothermal synthetic methods (with or without microwave activation) have been used to study the reaction of o-, m- and p-methoxybenzoic acid with [Ru2Cl(μ-O2CMe)4]. The tetrasubstituted series [Ru2Cl(µ-O2CC6H4-R)4], with R = o-OMe, m-OMe and p-OMe, has been prepared by the three procedures. Depending on the synthetic method and the experimental conditions, three compounds have been isolated (1a, 1b, 1c) with the o-methoxybenzoate ligand. However, with the m- and p-methoxybenzoate ligands, only the complexes 2 and 3 have been obtained, respectively. Compound 1a, with

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27

Kolmanič, Aleš, Robert Leskovšek, and Mario Lešnik. "Long-Term Control of Hedge Bindweed (Calystegia sepium L.) with Single, Tank Mixture, and Sequential Applications of Glyphosate, 2,4-D, and Dicamba." Agronomy 10, no. 8 (2020): 1184. http://dx.doi.org/10.3390/agronomy10081184.

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Hedge bindweed (Calystegia sepium L.) is a widespread troublesome perennial weed species that has strong rhizome regenerative capacity. Four pot trials with randomised, complete block designs were conducted in 2015 to evaluate long-term control of hedge bindweed using individual, tank mixture, and sequential applications of selected herbicides. Two different formulations of N-(phosphonomethyl) glycine (glyphosate; isopropylamine, trimesium salts) were applied at 2000 g active ingredient (a.i.) ha−1. Additionally, two synthetic auxins were applied as 3,6-dichloro-2-methoxybenzoic acid (dicamba)

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28

Belov, V. "The Structure Study of Tris(4-fluoro¬phenyl)antimony Dicarboxylates (4-FC6H4)3Sb[OC(O)R]2 (R = C6H3F2-2,3, C6H3(NO2)2-3,5, C6H4OMe-2, CF2Br, CH=CHPh, CH3, C≡CH)." Bulletin of the South Ural State University series "Chemistry" 13, no. 4 (2021): 101–9. http://dx.doi.org/10.14529/chem210408.

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The interaction of tris(4-fluorophenyl)antimony with 2,3-difluorobenzoic acid, as well as with 3,5-dinitrobenzoic, 2-methoxybenzoic, bromodifluoroacetic, cinnamic, formic, and propionic acids in the presence of tert-butyl hydroperoxide (1:2:1 mol.) in ether at ambient temperature has given tris(4-fluorophenyl)antimony dicarboxylates (4-FC6H4)3Sb[OC(O)R]2, where R = C6H3F2-2,3 (1), C6H3(NO2)2-3,5 (2), C6H4OMe-2 (3), CF2Br (4), CH=CHPh (5), CH3 (6), и C≡CH (7). The IR spectra of compounds 17, recorded on a Shimadzu IRAffinity-1S Fourier transform IR spectrometer, in a KBr pellet within the 4000

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Al-Asadi, Ahmed Z. R., Ahmed M. W. Al-Mayahi, and Khairullah M. Awad. "Effects of dicamba and casein hydrolysate on in vitro growthand shoot regeneration of date palm (Phoenix dactylifera L.) cv. Barhee." Folia Oecologica 51, no. 1 (2024): 56–65. http://dx.doi.org/10.2478/foecol-2024-0006.

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Abstract The investigation was carried out to evaluate the influence of the dicamba (3,6-Dichloro-2-methoxybenzoic acid) (DIC) and casein hydrolysate (CH) on the callus growth, shoot multiplication, and some biochemical constituents of date palm cv. Barhee cultured in vitro. Both DIC and CH were required for callus growth and shoots regeneration. The medium supplemented with 4.0 mg l−1 DIC in combination with 1.0 g l−1 CH gave the highest callus weight (287 mg), while the maximum response rate and the number of shoots per jar (86.67% and 15.07 shoots/jar) were found in MS media equipped with 4

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30

Yu, Haixia, Shengliang He, Wenfu Zhang, et al. "Discoloration and Degradation of Bamboo under Ultraviolet Radiation." International Journal of Polymer Science 2021 (August 18, 2021): 1–10. http://dx.doi.org/10.1155/2021/6803100.

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Light is one of the most adverse factors for bamboo deterioration and causes surface degradation and discoloration. The study was carried out to initiate efficient and effective photodiscoloration to modify and enrich bamboo colors that may be applied to bamboo dyeing. Different types of bamboo samples commonly used in the industry were studied experimentally under two types of ultraviolet (UV) light. Effects of light sources, radiation time, and distances on discoloration and discoloration mechanism were systematically studied. For both UV 313 and high-pressure mercury light, the bamboo surfa

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31

Kalinowska, M., G. Świderski, and W. Lewandowski. "Effect of substituent position and lithium, sodium and potassium on the electronic structure of o-, m- and p-methoxybenzoic acids." Polyhedron 28, no. 11 (2009): 2206–18. http://dx.doi.org/10.1016/j.poly.2009.03.030.

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Teponno, Rémy B., Beaudelaire K. Ponou, Dennis Fiorini, Luciano Barboni, and Léon A. Tapondjou. "Chemical Constituents from the Roots of <i>Furcraea bedinghausii</i> Koch." International Letters of Chemistry, Physics and Astronomy 16 (August 5, 2013): 9–19. http://dx.doi.org/10.56431/p-i1m5h3.

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Phytochemical investigation of the roots of Furcraea bedinghausii Koch. Led to the isolation of a mixture of two new homoisoflavones, 5,7-dihydroxy-3-(3,4-methylenedioxybenzyl)-chromone (4a) and 5,7-dihydroxy-3-(4-methoxybenzyl)-chromone (4b), together with the known β-sitosterol (1), 7,4'-dihydroxyhomoisoflavane (2), dihydrobonducellin (3), kaempferol (5), 5,7-dihydroxy-3-(4-hydroxybenzyl)-chromone (6), 1-linoleylglycerol (7), 6’-linoleyl-3-O-β-D-glucopyranosyl-β-sitosterol (8), trans-3,3’,5,5’-tetrahydroxy-4’-methoxystilbene (9), yuccaol C (10), yuccaol D (11), 3-O-b-D-glucopyranosyl-b-sitos

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Wang, Yingxin, Hongxia Sun, Xinpei Luo, et al. "Synthesis and Preparation of Ultralong Room-Temperature Phosphorescence Compounds Based on Pure p-Methoxybenzoic Acid Excluding Trace Impurities." Crystal Growth & Design, August 22, 2024. http://dx.doi.org/10.1021/acs.cgd.4c00733.

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34

OKUYAMA, T., M. KITANO, and T. FUENO. "ChemInform Abstract: Hydrolysis of Mixed O,S-Ortho Esters of p-Methoxybenzoic Acid. Reactivity and Partitioning of the Tetrahedral Intermediates." ChemInform 19, no. 1 (1988). http://dx.doi.org/10.1002/chin.198801128.

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35

Chotsaeng, Nawasit, Chamroon Laosinwattana, Patchanee Charoenying, et al. "Bioassay‐Guided Extraction and Isolation of Natural Herbicides from Dried Zanthoxylum limonella Alston Fruits." Asian Journal of Organic Chemistry, October 24, 2024. http://dx.doi.org/10.1002/ajoc.202400317.

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Weeds are problematic plant species around the world. Various strategies exist for controlling weeds, but chemical treatment remains the preferred method, particularly when using natural substances. In this research, a crude aqueous‐methanol extract from dried Zanthoxylum limonella fruits was acid‐base partitioned into four fractions: neutral extract (NE), acid extract (AE), basic extract (BE), and aqueous extract (AQ). These fractions were further separated into seventeen subfractions: NEF1 to NEF7, AEF1 to AEF5, and BEF1 to BEF5, which were then tested for herbicidal activity against the gro

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NADEEM, M., A. TANVEER, A. KHALIQ, and G. MURTAZA. "Suppression of Maize (Zea mays) Seedling Growth by Invasive Alligatorweed (Alternanthera philoxeroides) Residues." Planta Daninha 35 (January 8, 2018). http://dx.doi.org/10.1590/s0100-83582017350100086.

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ABSTRACT: To investigate the allelopathic influence of soil incorporated plant residues of alligatorweed on emergence and seedling growth of maize (Zea mays), an experiment was conducted under laboratory conditions in the 2014-15 period. The effect of soil amended with whole plant residues of alligatorweed at different concentrations (1, 2, 3, 4 and 5% on w/w basis) was compared with residue free soil (control). Emergence traits, such as emergence percentage, time to 50% emergence, mean emergence time and emergence index were negatively influenced by weed residue incorporation as compared with

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Loddo, Vittorio, Sedat Yurdakal, Giovanni Palmisano, et al. "Selective Photocatalytic Oxidation of 4-Methoxybenzyl Alcohol to p-Anisaldehyde in Organic-Free Water in a Continuous Annular Fixed Bed Reactor." International Journal of Chemical Reactor Engineering 5, no. 1 (2007). http://dx.doi.org/10.2202/1542-6580.1500.

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Photocatalytic oxidation of 4-methoxybenzyl alcohol to p-anisaldehyde was performed in water organic-free solutions by using a fixed bed continuous photoreactor containing Pyrex beads on which a TiO2 home prepared photocatalyst was supported. The influence of liquid flow rate, inlet alcohol concentration and catalyst amount on the photoprocess was studied. The highest selectivity to p-anisaldehyde was about 47% being CO2, the other main oxidation product; traces of 4-methoxybenzoic acid were also detected. The radiation field inside the photoreactor has been modelled by applying the Monte Carl

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Ji, Luhong, Ping Huang, Qiong Wang, Xugui Li, and Ying Li. "Modulation of the biological network of lumbar spinal stenosis by Tongdu Huoxue Decoction based on clinical metabolomics." Frontiers in Molecular Biosciences 10 (March 21, 2023). http://dx.doi.org/10.3389/fmolb.2023.1074500.

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Objective: To explore the clinical efficacy and metabolic mechanism of Tongdu Huoxue Decoction (THD) in treating lumbar spinal stenosis (LSS).Methods: A total of 40 LSS patients and 20 healthy participants were recruited from January 2022 to June 2022. The patients’ pre- and post-treatment visual analogue scale (VAS) and Japanese Orthopaedic Association (JOA) scores were recorded. ELISA kits were used to assess pre- and post-treatment levels of serum Interleukin-1beta (IL-1β), Alpha tumour necrosis factor (TNF-α) and prostaglandin E2 (PGE2). Finally, the patients’ pre- and post-treatment and h

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Rincón‐Cervera, Miguel Ángel, Tatiana Pagan Loeiro da Cunha‐Chiamolera, Tarik Chileh‐Chelh, Minerva Carmona‐Fernández, Miguel Urrestarazu, and José Luis Guil‐Guerrero. "Growth parameters, phytochemicals, and antitumor activity of wild and cultivated ice plants (Mesembryanthemum crystallinum L.)." Food Science & Nutrition, June 21, 2024. http://dx.doi.org/10.1002/fsn3.4286.

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AbstractThe ice plant (Mesembryanthemum crystallinum L.) is a halophyte that could become an alternative crop because of its interest as a functional food and its adaptation to high‐saline soils. In this work, leaves from wild ice plants were compared with their cultivated counterparts in a soilless system at different salinities and light exposures for assessing growth parameters, moisture, fatty acid profiles, total carotenoids, phenolic compounds, vitamin C, antioxidant activity, and antiproliferative activity against the HT‐29 colorectal cancer cell line. Moisture ranged between 876 and 95

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Myint, Ohnmar, Sakornniya Wattanapongpitak, Suchart Kothan, Chatchanok Udomtanakunchai, Singkome Tima, and Montree Tungjai. "Modulation of p-glycoprotein-mediated efflux pirarubicin in living multidrug-resistant K562/Dox cell lines by 4-hydroxybenzoic acid and 4-hydroxy-3-methoxybenzoic acid via impairment of the cellular energetic state." Toxicology Reports, June 2022. http://dx.doi.org/10.1016/j.toxrep.2022.06.017.

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Rahi, Md Sifat, Md Shahedur Rahman, Rima Islam Meem, et al. "Unveiling the Therapeutic Potential of Piper chaba Hunter: Computational Approaches Shed Light on Targeting Proteins in Alzheimer’s Disease." BioMed Research International 2025, no. 1 (2025). https://doi.org/10.1155/bmri/8892801.

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Alzheimer’s disease (AD) is a prevalent neurodegenerative disorder, while the existing treatments primarily focus on alleviating symptoms rather than addressing the underlying pathophysiology. Seeking a safer alternative, the study explores the potential of Piper chaba Hunter as a promising drug lead for AD by eliciting the major signaling pathway, key players, and their interaction with phytochemicals from the plant extract. Initially, the phytochemicals in the P. chaba crude extract were identified using GC‐MS, and their physicochemical properties were verified using SwissADME. Protein–prote

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Delgado‐Andrade, Cristina, Carmen Razola‐Díaz, Raquel Olías, et al. "Spanish chickpea gene‐bank seeds (Cicer arietinum L.) offer an enhanced nutritional quality and polyphenol profile compared with commercial cultivars." Journal of the Science of Food and Agriculture, February 6, 2025. https://doi.org/10.1002/jsfa.14158.

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AbstractBACKGROUNDIn the global socioeconomic context and the current climate change scenario, investigating the nutritional and bioactive characteristics of landraces can provide interesting profiles with technological applications and benefits for human health. The purpose of this work was to improve our knowledge regarding the nutritional and phenolic composition of several chickpea accessions preserved in a gene bank compared with widely consumed cultivars, as a first approach to establish their potential nutritional interest. CIELab colour, mineral content, protein, and amino acids were d

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Angevine, Devin J., and Jason B. Benedict. "1,2-Bis(pyridin-4-yl)ethene–4-hydroxy-3-methoxybenzoic acid (1/1)." IUCrData 7, no. 3 (2022). http://dx.doi.org/10.1107/s2414314622003042.

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In the title 1:1 co-crystal [alternatively called bipyridine ethylene–p-vanillic acid (1/1)], C12H10N2·C8H8O4, the dihedral angle between the pyridine rings is 59.51 (5)°. In the crystal, the molecules are linked by O—H...N hydrogen bonds, generating [401] chains of alternating C12H10N2 and C8H8O4 molecules.

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