Academic literature on the topic 'Vicinal tricarbonyls'
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Journal articles on the topic "Vicinal tricarbonyls"
Wasserman, Harry H., and Chi B. Vu. "The chemistry of vicinal tricarbonyls." Tetrahedron Letters 35, no. 52 (December 1994): 9779–82. http://dx.doi.org/10.1016/0040-4039(94)88384-x.
Full textWasserman, Harry H., Roger Frechette, Tatsuo Oida, and John H. Van Duzer. "The chemistry of vicinal tricarbonyls. Preparation and reactions of acetylenic tricarbonyls." Journal of Organic Chemistry 54, no. 26 (December 1989): 6012–14. http://dx.doi.org/10.1021/jo00287a007.
Full textGalow, Trent H., Alejandro O. Cuello, and Vincent M. Rotello. "Vicinal tricarbonyls as redox-controlled molecular rotors." Tetrahedron Letters 41, no. 49 (December 2000): 9489–92. http://dx.doi.org/10.1016/s0040-4039(00)01632-4.
Full textWasserman, Harry H., Chi B. Vu, and Jan D. Cook. "Vicinal Tricarbonyls in Synthesis. New Routes to Indolizidines." Journal Of The Brazilian Chemical Society 7, no. 5 (1996): 319–26. http://dx.doi.org/10.5935/0103-5053.19960060.
Full textWasserman, Harry H., Chi B. Vu, and Jan D. Cook. "Vicinal tricarbonyls in synthesis. New routes to indolizidines." Tetrahedron 48, no. 11 (January 1992): 2101–12. http://dx.doi.org/10.1016/s0040-4020(01)88877-3.
Full textWasserman, Harry H., and Jonathan Parr. "The Chemistry of Vicinal Tricarbonyls and Related Systems." Accounts of Chemical Research 37, no. 9 (September 2004): 687–701. http://dx.doi.org/10.1021/ar0300221.
Full textWasserman, Harry H., Kieseung Lee, and Mingde Xia. "The chemistry of vicinal tricarbonyls. Formation of oxomalondiamides." Tetrahedron Letters 41, no. 15 (April 2000): 2511–14. http://dx.doi.org/10.1016/s0040-4039(00)00217-3.
Full textWasserman, Harry H., Jan D. Cook, and Chi B. Vu. "The chemistry of vicinal tricarbonyls. New routes to indolizidines." Journal of Organic Chemistry 55, no. 6 (March 1990): 1701–2. http://dx.doi.org/10.1021/jo00293a005.
Full textWasserman, Harry H., John H. van Duzer, and Chi B. Vu. "The chemistry of vicinal tricarbonyls. Formation of carbazole derivatives." Tetrahedron Letters 31, no. 11 (January 1990): 1609–12. http://dx.doi.org/10.1016/0040-4039(90)80029-l.
Full textWasserman, Harry H., James Fukuyama, Natesan Murugesan, John Van Duzer, Louis Lombardo, Vincent Rotello, and Keith McCarthy. "The chemistry of vicinal tricarbonyls. A stable vinyl tricarbonyl hydrate as a di- and trielectrophile." Journal of the American Chemical Society 111, no. 1 (January 1989): 371–72. http://dx.doi.org/10.1021/ja00183a059.
Full textDissertations / Theses on the topic "Vicinal tricarbonyls"
Catterick, David. "The parallel synthesis of natural product families." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299756.
Full textParamahamsan, Harinandini. "η6-Arenechromium Tricarbonyl Complexes: Conformational Analysis, Stereocontrol in Nucleophilic Addition and Applications in Organic Synthesis." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1106262785.
Full textSantos, Marilia Simão dos 1984. "A potencialidade sintética da reação de Morita-Baylis-Hillman explorada na síntese de compostos tricarbonilados vicinais e derivados ciclopenta[b]indólicos." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250254.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Química
Made available in DSpace on 2018-08-20T04:45:55Z (GMT). No. of bitstreams: 1 Santos_MariliaSimaodos_M.pdf: 8319783 bytes, checksum: b09561f94bf536402f8e5e21e0e6dc3c (MD5) Previous issue date: 2012
Resumo: A potenciabilidade sintética dos adutos de Morita-Baylis-Hillman foi explorada no desenvolvimento de uma nova estratégia para a preparação de compostos tricarbonilados vicinais e derivados ciclopenta[b]indólicos. Os compostos tricarbonilados vicinais representam um padrão estrutural de grande interesse sintético, pois são empregados na síntese de heterociclos e diversas moléculas com atividade biológica. A metodologia desenvolvida envolve três etapas que constituem na síntese do aduto de MBH e de duas oxidações subsequentes. A rota se mostrou rápida, simples e eficiente, com rendimentos globais variando entre 15-75%. Além da facilidade operacional essa estratégia é quimicamente sustentável já que apresenta um baixo nível de geração de resíduos químicos. Os núcleos ciclopenta[b]indólicos estão presentes na estrutura de diversos produtos naturais e moléculas bioativas, fato que se torna um estímulo para o desenvolvimento de novas rotas sintéticas. A estratégia baseia-se na oxidação do aduto de MBH seguida de adição de Michael utilizando indol. O produto gerado sofre redução e em seguida é ciclizado em meio ácido levando à obtenção do núcleo de interesse. A síntese se mostrou altamente diastereosseletiva e o mecanismo da etapa de ciclização foi investigado através de espectrometria de massas. Os compostos foram avaliados contra algumas linhagens de células tumorais exibindo atividade citótóxica promissora
Abstract: The synthetic potential of Morita-Baylis-Hillman adducts was exploited towards the development of a new strategy for the preparation of vicinal tricarbonyl compounds and cyclopenta [b] indole derivatives. The vicinal tricarbonyl compounds represent a structural pattern of great synthetic interest because they are employed in the synthesis of heterocycles and several biologically active compounds. The three steps methodology involves the the preparation of MBH adducts, followed by two subsequent oxidations. The route proved to be fast, simple and efficient, with overall yields ranging from 15 to 75%. This strategy is operationally ease and sustainable, since a low level of waste is generated. The nuclei cyclopenta [b]indoles are present in the structure of some natural products and bioactive compounds. This has stimulated efforts towards the development of new synthetic routes to prepare this heterocyclic pattern. Our strategy is based on the oxidation of MBH adduct followed by Michael addition using indole as nucleophile to provide a substituted b-ketoester. The keto carbonyl was reduced and the substituted b-hydroxyester was therefore cyclized in acid conditions leading the desired heterocycles. The synthesis was highly diastereoselectivity and mechanism of the cyclization step was monitored by mass spectrometry. The compounds were evaluated against some tumor cell lines exhibiting promising cytotoxic activity
Mestrado
Quimica Organica
Mestra em Química
Conference papers on the topic "Vicinal tricarbonyls"
Santos, Marilia Simão, and Fernando Coelho. "A simple access to Vicinal Tricarbonyl Compounds from Morita-Baylis-Hillman adducts." In 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0316-1.
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