The chemical investigation of the stems of Uncaria philippinensis Elm. (Fam. Rubiaceae)
Four tertiary, stereoisomeric oxindole alkaloids were isolated from the stems of Uncaria philippinensis Elm. Alkaloids M, m.p. 204-6(degrees C), N, m.p. 209-10(degrees C), O, m.p. 268-70(degrees C) (dec.) and P, m.p. 171.5-2.5(degrees C) were foundto be uncarine E (isopteropodine), uncarine C (ptero...
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| Format: | Thesis |
| Language: | English |
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