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Mass spectrometry in structural and stereochemical problems spegazzinine and spegazzinidine |
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| Authors: | C Djerassi H W Brewer H Budzikiewicz O O Orazi Renée A Corral |
| Institution: | (1) Department of Chemistry, Stanford University, Stanford, California, USA;(2) Facultad de Quimica y Farmacia, Universidad Nacional de La Plata, Argentina |
| Abstract: | Zusammenfassung Auf Grund von Protonresonanz und massenspektrometrischen Messungen werden die Strukturen III und VII für die Aspidosperma-Alkaloide Spegazzinidin und Spegazzinin vorgeschlagen. This paper represents part III. For preceding paper seeB. Gilbert, J. Ferreira, R. J. Owellen, C. E. Swanholm, H. Budzikiewicz, L. J. Durham, andC. Djerassi, Tetrahedron Letters,1962, 59. This paper represents Part VI in the La Plata seriesEstudios sobre Plantas; for paper V seeT. Nakano, C. Djerassi, R. A. Corral, andO. O. Orazi, J. org. Chem.26, 1184 (1961). |
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