Synthese von 22,26-Imino-cholestan-Derivaten |
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| Authors: | K. Schreiber G. Adam |
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| Affiliation: | (1) Deutsche Akademie der Landwirtschaftswissenschaften zu Berlin, Forschungsstelle Mühlhausen/Thüringen, Deutschland |
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| Abstract: | Summary 3 , 16 -diacetoxy-5-pregnane-20-one and the analogue pregn-5-ene derivative have been converted into (22R, 25R)-22, 26-imino-5-cholestane-3, 16-diol. The configuration at C-22 and C-25 was determined by transformation into the known (22R, 25R)-5-solanidane-3-one. Application of the Ruschig method led to (25R)-22,26-imino-5-cholest-22(N)-ene-3, 16-diol.
Solanum-Alkaloide. XVI. Mitteilung. — XV. Mitteilung:K. Schreiber undH. Ripperger, Tetrahedron Letters Nr.27, 9 (1960). |
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