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Relevant bibliographies by topics / Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent

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Academic literature on the topic 'Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent'

Author: Grafiati

Published: 9 July 2021

Last updated: 29 July 2025

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Journal articles on the topic "Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent"

1

Asmau, Nasiru Hamza, and Kizito Igomu George. "Microwave Assisted Synthesis and Antimicrobial Screening of 3-(4-Methoxy)-1-Phenylprop-2-en-1-One." Pharmaceutical and Chemical Journal 3, no. 2 (2016): 300–303. https://doi.org/10.5281/zenodo.13754340.

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In an effort to develop novel antimicrobial agents, 3-(4-methoxy)-1-phenylprop-2-en-1-one was synthesized from acetophenone and methoxybenzaldehyde using the conventional Claisen-Schmidt condensation and microwave assisted methods. The conventional Claisen-Schmidt condensation afforded a yield of 35.29% in three hours. Whereas, the microwave assisted method gave 73.94% yield of 3-(4-methoxy)-1-phenylprop-2-en-1-one with two minutes. The synthesized 3-(4-methoxy)-1-phenylprop-2-en-1-one was characterized by means of Fourier transform Infrared (FTIR) spectroscopy, Shinoda’s test and meltin

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2

Koshetova, Zh A., V. K. Yu, T. K. Iskakova, et al. "Novel 7-Aryliden-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-aryl-2H-pyrazolo[4,3-c]pyridine Hydrochloride: Synthesis and Structure." Eurasian Chemico-Technological Journal 24, no. 1 (2022): 43. http://dx.doi.org/10.18321/ectj1147.

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A Claisen-Schmidt type reaction of 1-(2-ethoxyethyl)piperidin-4-one with differ¬ent aromatic aldehydes led to corresponding dienones with a yield of 65‒71%. 7-Arylidene-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-aryl-2H-pyrazolo[4,3-c]pyridines were synthesized by heterocyclization of 3,5-dia¬rylidene-piperidin-4-ones with phenylhydrazine hydrochloride in methanol at 70 °C over 4‒6 h. The X-ray crystal structure determination of 7-(p-methoxy¬benzyliden)-3,3a,4,5,6,7-(hexahydro-5-(2-ethoxyethyl)-2-phenyl-3-(p-methoxy¬phenyl)-2H-pyrazolo[4,3-c]pyridine hydrochloride (the deposition num

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3

Manguro, Lawrence Onyango Arot, Sylvia Awino Opiyo, Eberhardt Herdtweck, and Peter Lemmen. "Triterpenes of Commiphora holtziana oleo-gum resin." Canadian Journal of Chemistry 87, no. 8 (2009): 1173–79. http://dx.doi.org/10.1139/v09-078.

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Chemical analysis of the acetone extract of Commiphora holtziana gum resin has led to the isolation of triterpenes characterized as methyl 3-oxo-1α,19α,28-trihydroxyurs-12-en-24-oate (1), methyl 3β-acetyl-2α,11α,19α,28-tetrahydroxyurs-12-en-24-oate (2), methyl 3β,11α-diacetyl-1α,2α,28-trihydroxyurs-12-ene-24-oate (3), and 3β,28-diacetyl-1α,2α,25-trihydroxydammar-23-ene (4). The known compounds isolated from the same extract included cabraleadiol monoacetate (5), mansumbinol (6), 3β-acetylamyrin (7), 3α-acetylboswellic acid (8), 2-methoxy-8,12-epoxygermacra-1(10),7,11-trien-6-one (9), 2-methoxy

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4

Gedara, Sahar R., Osama B. Abdel-Halim, Saleh H. El-Sharkawy, Osama M. Salama, Thomas W. Shier, and Ahmed F. Halim. "New Erythroxane-Type Diterpenoids from Fagonia boveana (Hadidi) Hadidi & Graf." Zeitschrift für Naturforschung C 58, no. 1-2 (2003): 23–32. http://dx.doi.org/10.1515/znc-2003-1-204.

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The aerial parts of Fagonia boveana afforded two new erythroxane-type diterpenes, 3β, 15, 16-trihydroxy-erythrox-4(18)-ene (2) and 15, 16-dihydroxy-cis-ent-erythrox-3-ene (fagonene) (3) together with two known ones; 16-O-acetylfagonone (1) and 7β-hydroxy fagonene (8). Also a new guaiane sesquiterpene alcohol, 6,10-epoxy-4α-hydroxy guaiane type sesquiterpene (4) has been isolated In addition three 8-methoxy flavonols, 8-methoxy-quercetin-3, 7, 3′-trimethyl ether (ternatin) (5), gossypetin, 3, 8, 3′, 4′ tetramethyl ether (6) and herbacetin- 3, 8-dimethyl ether (7) were also isolated. The structu

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5

Cambie, Richard C., Carrie C. Liu, Clifford E. F. Rickard, and Peter S. Rutledge. "Skeletal Rearrangements of Ring C Aromatic Diterpenoids." Australian Journal of Chemistry 51, no. 7 (1998): 605. http://dx.doi.org/10.1071/c97198.

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The structure of a naphthalene derivative obtained by rearrangement of 13-methoxytotara-5,8,11,13-tetraen-7α-ol (2) has been revised to 5-(5′-isopropyl-6′-methoxy-2′-methyl-1′-naphthyl)-2-methylpent-2-ene (7). A minor oxidation product of 13-methoxytotara-8,11,13-triene (4) has been identified as 4-methoxy-3,3-dimethyl-7-(1′,3′,3′-trimethyl-2′-oxocyclohexanyl)isobenzofuran-1(3H)-one (16) and its structure confirmed by X-ray crystallography. Methyl 12-methoxypodocarpa-8,11,13-trien-19-oate (12) has been converted into an intermediate used in the synthesis of the linear diterpenoid umbrosone [3-

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6

Alves, José C. F. "Study of Catalytic Hydrogenation and Methanol Addition to α-Methylene-γ-Lactone of Eremanthine Derivatives". Organic Chemistry International 2010 (19 грудня 2010): 1–11. http://dx.doi.org/10.1155/2010/603436.

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The sesquiterpene lactones guaia-1(10),11(13)-dieno-4α-hydroxy,9α-acetyl-15-iodine-12,6α-lactone (2), guaia-1(10),4(15),11(13)-trieno-9α-hydroxy-12,6α-lactone (3), (11S)-guaia-4(15),10(14)-dieno-9α-hydroxy-13-methoxy-12,6α-lactone (4), (11S)-guai-1(10)-eno-4α,9α-dihydroxy-13-methoxy-12,6α-lactone (5), and guaia-1(10),11(13)-dieno-4α,9α-dihydroxy-15-iodine-12,6α-lactone (6) were previously obtained starting from the natural product eremanthine (1). In this paper we report the catalytic hydrogenation reactions of allylic derivatives 2–5 and the methanol addition to α-methylene-γ-lactone of the i

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7

Arnold, Donald R., and Kimberly A. McManus. "Photochemical nucleophile-olefin combination, aromatic substitution (photo-NOCAS) reaction: methanol, beta-myrcene, and 1,4-dicyanobenzene. Intramolecular cyclization of an ene-diene radical cation." Canadian Journal of Chemistry 76, no. 9 (1998): 1238–48. http://dx.doi.org/10.1139/v98-156.

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The photochemical nucleophile-olefin combination, aromatic substitution (photo-NOCAS) reaction of methanol, 7-methyl-3-methylene-1,6-octadiene ( β-myrcene, 1), and 1,4-dicyanobenzene yields five 1:1:1 adducts:cis-2-(4-cyanophenyl)-4-(1-methoxy-1-methylethyl)-1-methylenecyclohexane (15), trans-2-(4-cyanophenyl)-4-(1-methoxy-1-methylethyl)-1-methylenecyclohexane (16), 1-(4-cyanophenylmethyl)-4-(1-methoxy-1-methylethyl)cyclohexene (17), 4-[4-methoxy-3,3-dimethylcyclohex-(E)-1-ylidenyl]methylbenzonitrile (18), and 4-(1-vinyl-4-trans-methoxy-3,3-dimethylcyclohexyl)benzonitrile (19). All of these ad

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8

Collins, DJ, and HA Jacobs. "Synthesis of 3-(4′-Methoxyphenyl)-2,2,4,4-Tetramethylpentane and Some Cyclic Analogs." Australian Journal of Chemistry 39, no. 12 (1986): 2095. http://dx.doi.org/10.1071/ch9862095.

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Reaction of 1-methoxy-2-methyl-1-trimethylsilyloxyprop-1-ene (8) with 1-acetoxy-1-(4′-methoxyphenyl)-2,2-dimethylpropane (7b) in the presence of zinc iodide gave 84% of methyl 3-(4′methoxyphenyl)-2,2,4,4- tetramethylpentanoate (9a), which was reduced with lithium aluminium hydride to 3-(4′-methoxyphenyl)-2,2,4,4-tetramethylpentan-1-ol(12a). Hydride reduction of the derived tosylate (12b) afforded 3-(4′-methoxyphenyl )-2,2,4,4-tetramethylpentane (5b) which upon demethylation yielded the corresponding phenol (10a). In an analogous manner, 1-acetoxy-1-(4′-methoxyphenyl)-2-methylpropane (7d) was c

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9

Yan, FuLin, LaiBin Zhang, JiXia Zhang, and HanDong Sun. "Two New Diterpenoids and other constituents from Isodon serra." Journal of Chemical Research 2007, no. 6 (2007): 362–64. http://dx.doi.org/10.3184/030823407x225536.

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Two new ent-6,7-seco-kaurane-type diterpenoids, 15α,20β-dihydroxy-6β-methoxy-6,7-seco-6,20-epoxy-ent-kaur-16-en-1,7-olide (1), 6α,15α-dihydroxy-20-aldehyde-6,7-seco-6,11α-epoxy-ent-kaur-16-en-1,7-olide (2), together with seven known diterpenoids, enmein (3), nodosin (4), isodocarpin (5), nervosin (6), epinodosin (7), epinodosinol (8) and rabdosin (9) were isolated from the aerial part of Isodon serra. Their structures were elucidated by spectroscopic means.

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10

Li, Hongqi, A. N. Mayekar, B. Narayana, H. S. Yathirajan, and William T. A. Harrison. "(±)-Ethyl 6-(6-methoxy-2-naphthyl)-4-(4-methylphenyl)-2-oxocyclohex-3-ene-1-carboxylate." Acta Crystallographica Section E Structure Reports Online 65, no. 6 (2009): o1186. http://dx.doi.org/10.1107/s1600536809016341.

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In the title compound, C27H26O4, the dihedral angle between the naphthalene ring system and the benzene ring is 73.10 (5)°. In the crystal, a weak C—H...O interaction occurs. Two C—H groups of the cyclohexene ring are disordered over two sets of sites in a 0.796 (5):0.204 (5) ratio, which corresponds to partial overlap of the two enantiomeric molecules.

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Dissertations / Theses on the topic "Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent"

1

Reinaud, Olivia. "Nouvelles methodes d'alkylation regioselective d'orthoquinones originales : synthese de differentes classes de produits naturels quinoniques." Paris 6, 1987. http://www.theses.fr/1987PA066200.

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2

Demonchaux, Patrice. "Recherche d'agents radioprotecteurs : synthèse et mécanisme d'action de composés de type intercalant-aminothiol." Grenoble 1, 1988. http://www.theses.fr/1988GRE10016.

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Les intercalants utilises sont des amino-9 chloro-6 methoxy-2 acridines des amino-4 chloro-7 quinoleines et des amino-4 chloro-7 methyl-1 quinoleiniums sur lesquels ont ete introduites des chaines analogues a celles de la cysteamine et du wr 2727; etude de l'affinite de ces composes avec l'adn

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Book chapters on the topic "Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent"

1

"2′,7-Dihydroxy-4′-methoxy-isoflav-3-ene." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0535-1_896.

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2

"14β-Acetoxy-3α-angeloyloxy-9α-(2″-methylbutyroyloxy)-8β-hydroxy-15α-methoxy-14α,15β-epoxy-α-isocedr-4-ene." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0539-9_2128.

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Reports on the topic "Benzoquinone-1,2(methoxy-5 methoxy-4p phenoxy-4)|ent"

1

พรภคกุล, สุรชัย. สารเมแทบอไลท์ต้านจุลชีพและต้านมะเร็งจากราเอ็นโดไฟท์ : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2011. https://doi.org/10.58837/chula.res.2011.49.

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การวิจัยภายใต้โครงการนี้ ได้ทำการศึกษาสารเมแทบอไลท์ของราเอ็นโดไฟท์ Emericella variecolor ในอาหารเพาะเลี้ยง Malt Czapek-Dox broth (MCzB) และ Czapek-Dox broth (CzB) และสารเมแทบอไลท์ ของเห็ดเผาะ Astraeus odoratus ส่วนสกัดเอธิล แอซิเทตของส่วนน้ำเลี้ยงและเส้นใยราเอ็นโดไฟท์ E. variecolor ที่เพาะเลี้ยงในอาหาร เหลว Malt Czapek-Dox นำไปแยกด้วยซิลิกาเจลคอลัมน์โครมาโทกราฟี โดยใช้ตัวทำละลาย เฮกเซน, เฮ กเซน-เอธิล แอซิเทต, เอธิล แอซิเทต, เอธิล แอซิเทต-เมทานอล และเมทานอล ตามลำดับ นำส่วนแยกมาทำ ให้บริสุทธิ์ สารที่แยกได้จากส่วนสกัดเอธิล แอซิเทตจากเส้นใย ได้แก่ stellatic acid (1), ergosterol (2), สาร กลุ่ม xant

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