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Resultados globales: 3 registros encontrados en 0.02 segundos.
Artículos, Encontrados 3 registros
Artículos Encontrados 3 registros  
1.
27 p, 768.2 KB Intramolecular photoreactions of (5S)-5-Oxymethyl-2(5H)-furanones as a tool for the stereoselective generation of diverse polycyclic scaffolds / Lejeune, Guillaume (Universitat Autònoma de Barcelona. Departament de Química) ; Font i Cierco, Josep (Universitat Autònoma de Barcelona. Departament de Química) ; Parella Coll, Teodor (Universitat Autònoma de Barcelona. Servei de Ressonància Magnètica Nuclear) ; Alibes, Ramón (Universitat Autònoma de Barcelona. Departament de Química) ; Figueredo Galimany, Marta (Universitat Autònoma de Barcelona. Departament de Química)
The photoactivated evolution of a series of enantiomerically pure 5-oxymethyl-2(5H)-furanones has been investigated. The observed intramolecular photoreactions have proven to be a straightforward entry to diverse and stereochemically rich fragment-molecules, most of which contain the privileged tetrahydropyran (THP) scaffold. [...]
2015 - 10.1021/acs.joc.5b01354
Journal of organic chemistry, Vol. 80, issue 19 (Oct. 2015) , p. 9437-9445  
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2.
11 p, 2.7 MB Catalysis by [Ga4L6]12− metallocage on the Nazarov cyclization : the basicity of complexed alcohol is key / Norjmaa, Gantulga (Universitat Autònoma de Barcelona. Departament de Química) ; Himo, Fahmi (Stockholm University. Department of Organic Chemistry) ; Maréchal, Jean-Didier (Universitat Autònoma de Barcelona. Departament de Química) ; Ujaque Pérez, Gregori (Universitat Autònoma de Barcelona. Departament de Química)
The Nazarov cyclization is investigated in solution and within K[GaL] supramolecular organometallic cage by means of computational methods. The reaction needs acidic condition in solution but works at neutral pH in the presence of the metallocage. [...]
2022 - 10.1002/chem.202201792
Chemistry, Early view e202201792 (2022)
2 documentos
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3.
13 p, 1.7 MB Kauniolide synthase is a P450 with unusual hydroxylation and cyclization-elimination activity / Liu, Qing (University of Copenhagen. Department of Plant and Environmental Sciences) ; Beyraghdar Kashkooli, Arman (Wageningen University and Research. Laboratory of Plant Physiology) ; Manzano, David (Centre de Recerca en Agrigenòmica) ; Pateraki, Irini (University of Copenhagen. Department of Plant and Environmental Sciences) ; Richard, Lea (Wageningen University and Research. Laboratory of Plant Physiology) ; Kolkman, Pim (Wageningen University and Research. Laboratory of Plant Physiology) ; Lucas, Maria Fátima (Barcelona Supercomputing Center) ; Guallar, Victor (Institució Catalana de Recerca i Estudis Avançats) ; de Vos, Ric C. H. (Wageningen University and Research. Wageningen Plant Research) ; Franssen, Maurice C. R. (Wageningen University. Laboratory of Organic Chemistry) ; van der Krol, Alexander (Wageningen University and Research. Laboratory of Plant Physiology) ; Bouwmeester, Harro (University of Amsterdam. Swammerdam Institute for Life Sciences)
Guaianolides are an important class of sesquiterpene lactones with unique biological and pharmaceutical properties. They have been postulated to be derived from germacranolides, but for years no progress has been made in the elucidation of their biosynthesis that requires an unknown cyclization mechanism. [...]
2018 - 10.1038/s41467-018-06565-8
Nature communications, Vol. 9 (November 2018) , art. 4657  
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