Academic literature on the topic 'Diospongin'

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Journal articles on the topic "Diospongin"

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Bates, Roderick W., and Ping Song. "Synthesis of diospongin A." Tetrahedron 63, no. 21 (2007): 4497–99. http://dx.doi.org/10.1016/j.tet.2007.03.058.

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Zúñiga, Andrea, Manuel Pérez, Zoila Gándara, Alioune Fall, Generosa Gómez, and Yagamare Fall. "Synthesis of diospongin A, ent-diospongin A and C-5 epimer of diospongin B from tri-O-acetyl-D-glucal." Arkivoc 2015, no. 7 (2015): 195–215. http://dx.doi.org/10.3998/ark.5550190.p009.191.

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Vaithegi, Kannan, and Kavirayani R. Prasad. "Total synthesis of (+)-diospongin A." Tetrahedron 76, no. 47 (2020): 131625. http://dx.doi.org/10.1016/j.tet.2020.131625.

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Bharath, Yada, Utkal Mani Choudhury, N. Sadhana, and Debendra K. Mohapatra. "The Mukaiyama type aldol reaction for the synthesis of trans-2,6-disubstituted tetrahydropyrans: synthesis of diospongin A and B." Organic & Biomolecular Chemistry 17, no. 41 (2019): 9169–81. http://dx.doi.org/10.1039/c9ob01549c.

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The synthesis of 2,6-trans-disubstituted tetrahydropyrans following the Mukaiyama type aldol reaction through C–C bond formation demonstrates the practicality of this protocol in the total synthesis of diospongin A and B.
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Chandrasekhar, S., T. Shyamsunder, S. Jaya Prakash, A. Prabhakar, and B. Jagadeesh. "First total synthesis of (−)-diospongin B." Tetrahedron Letters 47, no. 1 (2006): 47–49. http://dx.doi.org/10.1016/j.tetlet.2005.10.129.

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Meruva, Suresh Babu, Ramamohan Mekala, Akula Raghunadh, et al. "Synthesis of tetrahedral diarylheptanoid ent-diospongin A and epimer-diospongin B by employing Julia–Kocienski olefination." Tetrahedron Letters 55, no. 34 (2014): 4739–41. http://dx.doi.org/10.1016/j.tetlet.2014.06.112.

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Hiebel, Marie-Aude, Béatrice Pelotier, and Olivier Piva. "Total synthesis of (+/−)-diospongin A via Prins reaction." Tetrahedron 63, no. 33 (2007): 7874–78. http://dx.doi.org/10.1016/j.tet.2007.05.089.

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Cossy, Janine, Cyril Bressy, and Florent Allais. "A Short and Efficient Synthesis of (-)-Diospongin A." Synlett 2006, no. 20 (2006): 3455–56. http://dx.doi.org/10.1055/s-2006-956485.

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Ho, Tse-Lok, Bin Tang, Guohua Ma, and Pengfei Xu. "Concise Synthesis of Yashabushidiol A and (±)-Diospongin A." Journal of the Chinese Chemical Society 59, no. 3 (2012): 455–58. http://dx.doi.org/10.1002/jccs.201100664.

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Meruva, Suresh Babu, Ramamohan Mekala, Akula Raghunadh, et al. "ChemInform Abstract: Synthesis of Tetrahedral Diarylheptanoid ent-Diospongin A (I) and epimer-Diospongin B (II) by Employing Julia-Kocienski Olefination." ChemInform 46, no. 5 (2015): no. http://dx.doi.org/10.1002/chin.201505215.

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Dissertations / Theses on the topic "Diospongin"

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Raffier, Ludovic. "Application de la réaction de métathèse d'oléfines à l'obtention de molécules d'intérêt biologique." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00986492.

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La formation de liaisons C-C constitue un sujet de recherche primordial en chimie organique. Parmitoutes les techniques existantes, la métathèse d'oléfines a constitué une véritable révolution, notamment grâceau développement de catalyseurs efficaces et tolérants vis-à-vis de bon nombre de groupements fonctionnels.Cette réaction a été envisagée ici sur trois cibles d'intérêt biologique : la diospongine A, la nhatrangine A et leberkeleyamide A.De nombreuses molécules naturelles bioactives appartiennent aux familles des 1,7-diarylheptanoïdes et1,9-diarylnonanoïdes. Issue de la première, la diosp
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Hiebel, Marie-Aude. "Accès stéréocontrôlé aux tétrahydropyranes 2,6-disubstitués – Application à la synthèse totale de la diospongine A et du bistramide A." Lyon 1, 2008. http://www.theses.fr/2008LYO10169.

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L’objectif principal de ce travail est de développer plusieurs voies d’accès à des fragments tétrahydropyranes afin de créer une bibliothèque d’analogues du fragment C1-C13 du bistramide A (partie Nord). L’efficacité et la simplicité de mise en oeuvre des équences réactionnelles sont privilégiées via l’utilisation de procédés tandem séquentiels impliquant la réaction de métathèse croisée. Plusieurs méthodes de formation de cycles tétrahydropyranes se basant respectivement sur les réactions de Prins, d’oxa-Michael, de SN2’ et d’iodoéthérification ont été effectuées. Ces méthodes ont été dans un
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Brito, Júnior Gilmar Araújo. "Estudo metodológico da reação de Prins em ausência de solventes orgânicos e sua aplicação na síntese de substâncias bioativas." Universidade Federal de São Carlos, 2009. https://repositorio.ufscar.br/handle/ufscar/6457.

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Made available in DSpace on 2016-06-02T20:36:24Z (GMT). No. of bitstreams: 1 2736.pdf: 21047421 bytes, checksum: 55df4acf61a3aff2bb08b8ffec4f2fa2 (MD5) Previous issue date: 2009-07-31<br>Financiadora de Estudos e Projetos<br>In this work it was done a methodological study on Prins cyclization reaction in the absence of organic solvents. The synthesis of target compounds was possible by using or the catalytic system pTSA.SiO2(gel) initially developed in this project, as shown in Figure I. As a initial proposal of this work, another catalytics systems were developed, this time using non-proton
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Lee, Kiyoun. "Stereoselective Syntheses of Tetrahydropyrans: Applications to the Synthesis of (+)-Leucascandrolide A, (+)-Dactylolide and (±)-Diospongin A." Diss., 2012. http://hdl.handle.net/10161/6164.

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<p>Substituted tetrahydropyrans are prevalent in natural products that show interesting biological and pharmacological activities. Therefore, demand for new synthetic approaches for the construction of substituted tetrahydropyrans has recently increased. Specifically, quick and facile access to substrates, excellent stereoselectivity and yield, versatility in substrate scope, and mild reaction conditions compatible with various functional groups are highly desirable characteristics in tetrahydropyran synthesis.</p><p>The first part of the dissertation details studies of the tandem and organoca
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Books on the topic "Diospongin"

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Lee, Kiyoun. Stereoselective Syntheses of Tetrahydropyrans: Applications to the Synthesis of -Leucascandrolide A, -Dactylolide and -Diospongin A. Springer, 2014.

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