Paper · 2020 · Natural Product Research

Chemical constituents of the leaves of Anthonotha macrophylla (Leguminosae)

Mc Jesus Kinyok; Anke Wilhelm; Eutrophe Le Doux Kamto; et al.

3
claims
5
verbatim quotes
4
citations
2
research areas
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Not open access

Abstract

The present study deals with the isolation and the characterization of the chemical constituents from the leaves of Anthonotha macrophylla (Leguminosae). Using various chromatographic techniques (TLC, CC, HPLC), the methanolic extract of the leaves of Anthonotha macrophylla yielded one new alkaloid (1) as well as six known compounds amongst which an alkane (2), isolated for the first time from a natural product, an ester of fatty acid (3), two isocoumarines (4–5), a sterol (6) and a disaccharide (7). Their structures were elucidated using spectroscopic technics including extensive 1-D and 2-D NMR, HR-SM experiments.

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Claims 3

Observationobservedoriginal resultmeasured

Claim · model-written summary

The leaves yielded one new alkaloid.

Taxon
Anthonotha macrophyllaAnthonotha macrophyllae0
Organ / stage
leavese0
Outcome
one new alkaloid (1)e0
Value
one new alkaloide0

Verbatim

e0

“the leaves of Anthonotha macrophylla yielded one new alkaloid (1)”

✓ located verbatim in the source · abstract, characters 238–303 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The leaves yielded six known compounds.

Taxon
Anthonotha macrophyllaAnthonotha macrophyllat0
Outcome
six known compoundse0
Value
six known compoundse0

Verbatim

e0

“six known compounds amongst which an alkane (2), isolated for the first time from a natural product, an ester of fatty acid (3), two isocoumarines (4–5), a sterol (6) and a disaccharide (7)”

✓ located verbatim in the source · abstract, characters 315–504 · show in text ↑
t0

“Anthonotha macrophylla”

✓ located verbatim in the source · title, characters 39–61 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

An alkane was isolated from a natural product for the first time.

Taxon
Anthonotha macrophyllaAnthonotha macrophyllat0
Outcome
an alkane (2)e0
Qualifier
isolated for the first time from a natural producte0

Verbatim

e0

“an alkane (2), isolated for the first time from a natural product”

✓ located verbatim in the source · abstract, characters 349–414 · show in text ↑
t0

“Anthonotha macrophylla”

✓ located verbatim in the source · title, characters 39–61 · show in text ↑