[Steroid alkaloids. LXXXVI. Substitutions, eliminations and transpositions of tosyloxy-20 steroids. I. Role of hexamethylphosphotriamide (HMPT) in substitution and elimination].
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Biomedical subjects
Publications and source records attributed to M Leboeuf.
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The alkaloidal content of stem- and root-bark of Enantia pilosa Exell (Annonaceae) was studied and compared to that of other Enantia spp. Six aporphine alkaloids were isolated; two alkaloids, oliverine and oliveridine, were found in major amounts; two oxoaporphines, liriodenine and lanuginosine, were present; two other alkaloids, N-oxyoliverine and N-oxyoliveridine, were isolated for the first time. Quaternary alkaloids from stem-bark are presently under investigation.
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