Die Alkaloide von  Gabunia eglandulosa  S TAPF  155. Mitteilung über Alkaloide | Zendy

Agwada Vincent C. | Zendy; Morita Yutaka | Zendy; Renner Ulrich | Zendy; Hesse Manfred | Zendy; Schmid Hans | Zendy

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Die Alkaloide von Gabunia eglandulosa S TAPF 155. Mitteilung über Alkaloide

Author(s) -

Agwada Vincent C.,

Morita Yutaka,

Renner Ulrich,

Hesse Manfred,

Schmid Hans

Publication year - 1975

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19750580405

Subject(s) - chemistry , indole test , apocynaceae , stereochemistry , bark (sound) , traditional medicine , medicine , physics , acoustics

From the root bark of the Apocynaceae Gabunia eglandulosa S TAPE seven indole alkaloids were isolated. Besides the known indole alkaloids (−)‐isovoacangine ( 1 ), (−)‐coronaridine ( 2 ), voacamine ( 3 ), vobasine ( 4 ), and perivine ( 5 ), two new bases (−)‐19‐hydroxy‐isovoacangine ( 6 ) and 19‐hydroxy‐coronaridine ( 15 ) were isolated. Compound 6 was obtained by oxidation of isovoacangine with iodine. Similar oxidation reactions with voacangine ( 12 ) were studied.

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