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Relevant bibliographies by topics / 1-methoxy phenanthrene

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Journal articles

Academic literature on the topic '1-methoxy phenanthrene'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "1-methoxy phenanthrene"

1

Thumpakara, Roshini K., Binoy Jose, Perupparampil A. Unnikrishnan, Sreedharan Prathapan, and Nigam P. Rath. "Effect of a Strategically Positioned Methoxy Substituent on the Photochemistry of 3-Aryl-3H-1-Oxacyclopenta[l]Phenanthren-2-Ones." Organic Chemistry International 2010 (December 28, 2010): 1–5. http://dx.doi.org/10.1155/2010/764185.

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Irradiation of 3-methoxy-3-aryl-3H-1-oxacyclopenta[l]phenanthren-2-one derivatives 5a–d resulted in singlet-mediated decarbonylation reaction leading to the formation of phenanthrene derivatives 9a–d. The structure of the photoproduct was unequivocally established on the basis of X-ray crystallographic analysis.

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2

Wang, Yang, Gui-Yun Li, Qian Fu, Tai-Sen Hao, Jian-Mei Huang, and Hai-Feng Zhai. "Two New Anxiolytic Phenanthrenes Found in the Medullae of Juncus effusus." Natural Product Communications 9, no. 8 (2014): 1934578X1400900. http://dx.doi.org/10.1177/1934578x1400900830.

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Six phenanthrenes, 2-methoxy-7-hydroxy-1-methyl-5-vinyl phenanthrene (1), juncusin (2), dehydroeffusol (3), juncusol (4), effusol (5), and dehydroeffusal (6), were isolated from the medullae of Juncus effusus L. Compounds 1 and 2 were identified as being new structures, and both of them showed anxiolytic activity at dosages of 10 and 2.5 mg/kg, respectively.

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3

Nam, Bomi, Seung Mok Ryu, Dongho Lee, et al. "Identification of Two New Phenanthrenes from Dendrobii Herba and Their Cytotoxicity towards Human Hypopharynx Squamous Carcinoma Cell (FaDu)." Molecules 24, no. 12 (2019): 2339. http://dx.doi.org/10.3390/molecules24122339.

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Two new phenanthrenes, (1R,2R)-1,7-hydroxy-2,8-methoxy-2,3-dihydrophenanthrene-4(1H)-one (1) and 2,7-dihydroxy-phenanthrene-1,4-dione (2), were isolated from the ethyl acetate-soluble fraction of Dendrobii Herba, together with seven known phenanthrenes (3–9), two bibenzyls (10–12), and a lignan (13). Structures of 1 and 2 were elucidated by analyzing one-dimensional (1D) and two-dimensional (2D)-NMR and High-resolution electrospray ionization mass spectra (HR-ESI-MS) data. The absolute configuration of compound 1 was confirmed by the circular dichroism (CD) spectroscopic method. In cytotoxicit

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4

Dekic, Stojadin, Vidoslav Dekic, Branimirka Vucic, Biljana Dekic, and Milan Dekic. "Synthesis of new condensed coumarin derivatives." Facta universitatis - series: Physics, Chemistry and Technology 5, no. 1 (2007): 85–88. http://dx.doi.org/10.2298/fupct0701085d.

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Reactions of 4-chloro-2-oxo-2H-chromene-3-carbonitrile (1) with 4-methylpyridin- 2-ylamine (2) and 6-methoxy-benzothiazol-2-ylamine (3) in acetonitrile containing a catalytic amount of triethylamine gave the new coumarin derivatives 7-imino-10-methyl-7H- 5-oxa-7a,12-diaza-benzo[a]anthracen-6-one (4) and 7-imino-10-methoxy-7H-5-oxa-12- thia-7a,13-diaza-indeno[1,2-b]phenanthren-6-one (5) in 52 and 39% yields, respectively. The novel compounds were subjected to acid hydrolysis giving the corresponding oxoderivatives 10-methyl-5-oxa-7a,12-diaza-benzo[a]anthracene-6,7-dione (6) and 10- methoxy-5-ox

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5

Rathin, Jana. "Synthesis of 1-Methoxyphenanthrene by Palladium-Catalyzed Heck Reaction." International Journal of HIT Transaction on ECCN Vol. 7, no. 2A (2021) (2021): 12–17. https://doi.org/10.5281/zenodo.5893120.

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Department of Chemistry, ShahidMatanginiHazra Govt. General Degree College for Women, Nimtouri, West Bengal A novel methodology for the synthesis of 1-methoxy phenanthrene has been developed via a palladium-assisted 6π electrocyclic reaction followed by formaldehyde elimination.

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6

Liu, Xin-Qiao, Xiao-Ping Li, Wen-Ke Yuan, Qiao-Yu Yuan, and Bin-Hua Qin. "Two New Phenanthrene Glucosides from Cremastra appendiculata and their Cytotoxic Activities." Natural Product Communications 11, no. 4 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100414.

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Two new phenanthrene glucosides, named 2′-hydroxy-4,4′,7′-trimethoxy-1,1′-biphenanthrene-2,7-di- O-β-D-glucoside (1) and 1-(4-hydroxybenzyl)-4-methoxy-2,7-dihydroxy-phenanthrene-8- O-β-D-glucoside (2), together with three known compounds were isolated from the tubers of Cremastra appendiculata (D. Don) Makino. Their structures were elucidated on the basis of spectral data. Compounds 1–4 showed moderate cytotoxic activity and compound 5 showed weak cytotoxic activity against the two cell lines tested. This is the first reported occurrence of an unusual biphenanthrene glucoside in this plant.

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7

Bús, Csaba, Norbert Kúsz, Gusztáv Jakab, et al. "Phenanthrenes from Juncus Compressus Jacq. with Promising Antiproliferative and Anti-HSV-2 Activities." Molecules 23, no. 8 (2018): 2085. http://dx.doi.org/10.3390/molecules23082085.

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Juncaceae species are rich sources of phenanthrenes. The present study has focused on the isolation and structure determination of biologically active components from Juncus compressus. Eleven compounds (nine phenanthrenes and two flavonoids) have been isolated from the plant by the combination of different chromatographic methods. Two compounds (compressins A (Compound 1) and B (Compound 2)) are novel natural products, while seven phenanthrenes (effusol (Compound 3), effususol (Compound 4), juncusol (Compound 5), 2-hydroxy-1-methyl-4-oxymethylene-5-vinyl-9,10-dihydrophenanthrene (Compound 6),

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8

Moody, Joanna D., James P. Freeman, Daniel R. Doerge, and Carl E. Cerniglia. "Degradation of Phenanthrene and Anthracene by Cell Suspensions of Mycobacterium sp. Strain PYR-1." Applied and Environmental Microbiology 67, no. 4 (2001): 1476–83. http://dx.doi.org/10.1128/aem.67.4.1476-1483.2001.

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ABSTRACT Cultures of Mycobacterium sp. strain PYR-1 were dosed with anthracene or phenanthrene and after 14 days of incubation had degraded 92 and 90% of the added anthracene and phenanthrene, respectively. The metabolites were extracted and identified by UV-visible light absorption, high-pressure liquid chromatography retention times, mass spectrometry, 1H and 13C nuclear magnetic resonance spectrometry, and comparison to authentic compounds and literature data. Neutral-pH ethyl acetate extracts from anthracene-incubated cells showed four metabolites, identified ascis-1,2-dihydroxy-1,2-dihydr

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9

Ali, Syed Safdar, Hartmut Echner, Khalid Mohammed Khan, Christoph Schröder, Mashooda Hasan, and Wolfgang Voelter. "Factors Influencing the Acid Lability of Substituted Arylsulphonyl Arginine Protecting Groups." Zeitschrift für Naturforschung B 49, no. 10 (1994): 1425–33. http://dx.doi.org/10.1515/znb-1994-1020.

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AbstractThe kinetics of hydrolysis of new, NG-protected 2,4,6-triisopropylbenzene-sulphonyl (6). 4-methoxy-3,5-di-tert-butylbenzenesulphonyl (12) and phenanthrene-3-sulphonyl (17) Fmoc derivatives of L-arginine (1) in comparison with commercially available Fmoc-Arg(Mtr)-OH (Mtr = 4-methoxy-2,3,6-trimethyl-benzenesulphonyl (2)) are studies. The acid lability of the arylsulphonyl group is decreasing as follows Mtr > Tip > Mtbs > Phen. The effect of electron- donating alkyl groups as substituents in increasing the acid lability of the arylsulphonyl residue seems to be in the order of met

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10

Bús, Csaba, Norbert Kúsz, Annamária Kincses, et al. "Antiproliferative Phenanthrenes from Juncus tenuis: Isolation and Diversity-Oriented Semisynthetic Modification." Molecules 25, no. 24 (2020): 5983. http://dx.doi.org/10.3390/molecules25245983.

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The occurrence of phenanthrenes is limited in nature, with such compounds identified only in some plant families. Phenanthrenes were described to have a wide range of pharmacological activities, and numerous research programs have targeted semisynthetic derivatives of the phenanthrene skeleton. The aims of this study were the phytochemical investigation of Juncus tenuis, focusing on the isolation of phenanthrenes, and the preparation of semisynthetic derivatives of the isolated compounds. From the methanolic extract of J. tenuis, three phenanthrenes (juncusol, effusol, and 2,7-dihydroxy-1,8-di

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