Academic literature on the topic 'Dimeric phenanthrene derivative'

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Journal articles on the topic "Dimeric phenanthrene derivative"

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P., L. Majumder, Bandyopadhyay (nee Guha) Saswati, and Pal (nee Ray) Suparna. "Rigidanthrin, a new dimeric phenanthrene derivative of the orchid Bulbophyllum rigidum." Journal of Indian Chemical Society Vol. 85, Nov 2008 (2008): 1116–23. https://doi.org/10.5281/zenodo.5820345.

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Department of Chemistry, University College of Science, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>E-mail </em>: priyalalm@hotmail.com <em>Manuscript received 15 September 2008, accepted 30 September 2008</em> Rigidanthrin, a new dimeric phenanthrene derivative, was isolated from the orchid Bulbophyllum rigidum which also afforded the known monomeric phenanthrenes nudol and gymnopusin and the simple aromatic compound ethyl 4-hydroxy-3-methoxycinnamate. The structure of rigidanthrin was established as 2,2&#39;, 7, 7&#39;-tetrahydroxy-3,3&#39; ,4,4&#39;tetramethoxy- 1,1&#39; -
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Majumder, P. L., Anjali Pal, and Mukta Joardar. "Cirrhopetalanthrin, a dimeric phenanthrene derivative from the orchid Cirrhopetalum maculosum." Phytochemistry 29, no. 1 (1990): 271–74. http://dx.doi.org/10.1016/0031-9422(90)89048-e.

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Majumder, P. L., and Saswati Lahiri. "Volucrin, a new dimeric phenanthrene derivative from the orchid lusia volucris." Tetrahedron 46, no. 10 (1990): 3621–26. http://dx.doi.org/10.1016/s0040-4020(01)81531-3.

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P., L. Majumder, Mukhoti Nirmalendu, and Chattopadhyay (nee Lahiri) Saswati. "Agrostophyllanthrol and isoagrostophyllanthrol, two novel diastereomeric phenanthropyran derivatives from the orchid Agrostophyllum khasiyanum." Journal of Indian Chemical Society Vol. 85, Dec 2008 (2008): 1315–25. https://doi.org/10.5281/zenodo.5819637.

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Department of Chemistry. University College of Science, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>E-mail</em> : priyalalm@hotmail.com <em>Manuscript received 11 November 2008, accepted 17 November 2008</em> Agrostophyllanthrol and isoagrostophyllanthrol, two novel diastereomeric phenanthropyran derivatives were isolated from the orchid <em>Agrostophyllum khasiyauum</em> which earlier afforded eleven stilbenoids, viz. the two dimeric phenanthrene derivatives agrostonin [2,2&#39;, 7, 7&#39; -tetrahydroxy-4,4&#39; ,6,6&#39; -tetramethoxy-1,1&#39; -biphenanthryl] and agrostonid
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Nkunya, Mayunga H. H. "Unusual metabolites from some Tanzanian indigenous plant species." Pure and Applied Chemistry 77, no. 11 (2005): 1943–55. http://dx.doi.org/10.1351/pac200577111943.

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In this paper, the chemistry of some unusual natural products that were isolated from various Tanzanian indigenous plant species during the past 20 years is reviewed. Among the compounds covered in this review are cyclohexane epoxides; heptane derivatives; oxygenated pyrenes; phenanthrene derivatives; flavonoids with uncommon structural frameworks; mono-, bis-, and dimeric prenylated indoles; and variously substituted mono-, sesqui-, and diterpenoids.
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Catellani, Marta, Federica Cugini, and Domenico Tiefenthaler. "New pathways of site selective aromatic alkylation of palladium complexes: fragmentation to arenes vs. ring closure to hexahydromethano-fluorenes or -phenanthrenes." Canadian Journal of Chemistry 79, no. 5-6 (2001): 742–51. http://dx.doi.org/10.1139/v01-047.

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Dimeric arylbicycloheptylpalladium halide complexes of type 1 undergo selective alkylation at the aromatic site by reaction with allyl, styryl, and benzyl bromides (RBr) via hexahydromethanopalladafluorenes (2). Ring closure of the resulting palladium complex (7) on sp2 and sp3 C-H bonds of a suitable R group then occurs with formation of hexahydromethanophenanthrene or hexahydromethanofluorene derivatives. Alternatively, substituted arenes derived from bicycloheptene deinsertion are formed. In some cases the latter can be obtained in substantial amounts when methyl isonicotinate is used as li
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Majumder, P. L., and Mausumi Basak. "Novel oxidative phenol-coupling reaction with phosphomolybdic acid on silica gel support: Regioselective biomimetic synthesis of dimeric phenanthrene derivatives." Tetrahedron 47, no. 40 (1991): 8601–10. http://dx.doi.org/10.1016/s0040-4020(01)82403-0.

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MAJUMDER, P. L., and M. BASAK. "ChemInform Abstract: Novel Oxidative Phenol-Coupling Reaction with Phosphomolybdic Acid on Silica Gel Support: Regioselective Biomimetic Synthesis of Dimeric Phenanthrene Derivatives." ChemInform 23, no. 6 (2010): no. http://dx.doi.org/10.1002/chin.199206162.

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MAJUMDER, P. L., and S. LAHIRI. "ChemInform Abstract: Volucrin, a New Dimeric Phenanthrene Derivative from the Orchid Lusia volucris." ChemInform 21, no. 39 (1990). http://dx.doi.org/10.1002/chin.199039318.

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Majumder, P. L., Saswati Bandyopadhyay, and Suparna Pal. "ChemInform Abstract: Rigidanthrin, a New Dimeric Phenanthrene Derivative of the Orchid Bulbophyllum rigidum." ChemInform 40, no. 24 (2009). http://dx.doi.org/10.1002/chin.200924201.

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Dissertations / Theses on the topic "Dimeric phenanthrene derivative"

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Dong, Yu-Shun, and 董宇舜. "Total Synthesis of optically pure debinobin dimer and derivatives of phenanthrenes." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/57134225871042732399.

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碩士<br>國立彰化師範大學<br>化學系<br>101<br>Denbinobin (1) and calanquinone A (3) were isolated from the stems of Dendrobium moniliforme (L.). The structures of denbinobin (1) and calanquinone A (3) were determined to be 1 and 2 by examination of IR, UV, NMR, and high-resolution mass spectra. Since 1 and 2 are the natural products proposed to possess a phenanthradiquinone core, we undertook the synthesis of the optically pure denbinobin dimmer (4) and phenanthradiquinones to confirm its overall structural assignment and to investigate its biological activity. The synthesis of the optically pure denbinobin
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