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Crystal and molecular structure of 17-β-methyl-α-isolupanine perehlorate

✍ Scribed by Hanna Maluzyska; Ewa Skrzypczak-Jankun; Anna Perkowska; Zygmunt Kaluski

Publisher
Springer
Year
1981
Tongue
English
Weight
14 KB
Volume
11
Category
Article
ISSN
1572-8854

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CH,(18) + 14-CH3; 2.07, s CH,( 4) (CDCI,);not yet crystalli~ed]~). Finally, 8 was converted by catalytic hydrogenation [5%-Pd/C in ethanol/triethylamine; + 11 and cyclisation [HCl in acetic acid] into 3-oxo-17~-acetoxy-14a-methyl-A4-8a,9B,lOa,13a-estrene (12) [m.p. 86-88'; -[ U ] D = + 1' (CHC1,).