title: Transformation of the steroidal sapogenin side chain. II. A new method for the preparation of 16-alkylated-pregn-16-en-20-ones.
mesh_terms: D000478:Alkylation; D007659:Ketones / Q000138:chemical synthesis; D008722:Methods; D011278:Pregnanes / Q000138:chemical synthesis*; D012503:Saponins
chemical_list: D007659:Ketones; D011278:Pregnanes; D012503:Saponins