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Alkaloid studies XXVI. The constitution of pyrifolidine |
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| Authors: | C. Djerassi B. Gilbert J. N. Shoolery L. F. Johnson K. Biemann |
| Affiliation: | (1) Department of Chemistry, Stanford University, Stanford, California;(2) Instituto de Quimica Agricola, Rio de Janeiro, Brazil;(3) Varian Associates, Palo Alto, California;(4) Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts |
| Abstract: | Zusammenfassung Die Struktur desAspidosperma-Alkaloids Pyrifolidin (I) wird durch Protonresonanz und durch Vergleich mit Aspidospermin und Aspidocarpin bewiesen. Dieses Alkaloid ist in seiner absoluten Konfiguration ein Antipode des Aspidospermins. Paper XXV,C. Djerassi, A. A. P. G. Archer, T. George, B. Gilbert, J. N. Shoolery, andL. F. Johnson, Exper.16, 532 (1960). Acknowledgement. Financial support has been provided by grant H-5048 of the National Heart Institute, National Institutes of Health (U.S. Public Health Service), and by the Conselho Nacional de Pesquisas (Brazil). The postdoctorate research fellowship ofB. Gilbert in Rio de Janeiro was financed from a grant of the Rockefeller Foundation in support of a collaborative research program between Stanford University and the Instituto de Quimica Agricola, Rio de Janeiro (Brazil). |
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