(1)H and (13)C NMR spectral data for a tricyclic derivative of a Diels-Alder adduct |
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| Authors: | Pedersoli Susimaire Constantino Mauricio Gomes José da Silva Gil Valdo |
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| Institution: | Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeir?o Preto, Universidade de S?o Paulo, Avenida Bandeirantes 3900, 14040-901 Ribeir?o Preto, SP, Brazil. mgconsta@usp.br |
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| Abstract: | A complete NMR analysis with full assignment for (1)H and (13)C NMR spectral data for 5-(acetyloxy)-3-hydroxy-9,10-dimethoxy-6-oxo-11-oxatricyclo6.2.1.0(2,7)]undec-2-yl acetate is described. This compound was prepared by rapid hydrogenation of the unstable Diels-Alder adduct obtained from the reaction between 3,4-dimethoxyfuran and 2,5-diacetoxy-1,4-benzoquinone. Full homonuclear hydrogen coupling constants measurements and molecular mechanics calculations were performed for the determination of the relative stereochemistry. |
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| Keywords: | 1H NMR 13C NMR 2D NMR 11‐oxabicyclo[6 2 1]undecane derivatives |
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