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Article
Pentacyclic triterpenes from the leaves extract of Sandoricum koetjape
Three new pentacyclic triterpenes, trivially named sandkoetjapic acids A–C (1–3), have been isolated from the leaves extract of Sandoricum koetjape, along with the known triterpenes 3-oxo-olean-12-en-29-oic (4), ...
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Article
Epoxyquinophomopsins A and B from endophytic fungus Phomopsis sp. and their activity against tyrosine kinase
Two new quinone derivatives, epoxyquinophomopsins A (1) and B (2), were purified from the EtOAc extract of endophytic fungus Phomopsis sp isolated from Morus cathayana. The structures of both compounds were deter...
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Article
5,6-Dihydro-α-pyrones from the leaves of Cryptocarya pulchinervia (Lauraceae)
Three new 5,6-dihydro-α-pyrones derivatives, named (S)-rugulactone (1) pulchrinervialactone A (2), and pulchrinervialactone B (4), along with one known pyrone, cryptobrachytone C (3), and three known amide deriva...
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Article
Four limonoids from the seeds extract of Sandoricum koetjape
Three andirobin- and one trijugin-class limonoids, named koetjapins A-D (1–4), have been isolated from the seed extracts of Sandoricum koetjape. The structures of these compounds were determined by extensive NMR ...
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Article
Prenylated Dihydrostilbenes from Macaranga rubiginosa
Phytochemical isolation of the methanol extract of Macaranga rubiginosa leaves afforded five prenylated dihydrostilbenes. Two of them were known dihydrostilbenes laevifolins A (1) and B (2), while the other three...
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Article
Novel mutations in katG gene of a clinical isolate of isoniazid-resistant Mycobacterium tuberculosis
Most of isoniazid-resistant Mycobacterium tuberculosis evolved due to mutation in the katG gene encoding catalase-peroxidase. A set of new mutations, namely T1310C, G1388T, G1481A, T1553C, and A1660G, which corre...
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Article
Phenolic compounds from Cryptocarya konishii: their cytotoxic and tyrosine kinase inhibitory properties
Two chalcone derivatives, 2′-hydroxychalcone (1) and desmethylinfectocaryone (2), together with five known phenolic compounds infectocaryone (3), cryptocaryone (4), kurzichalcolactone A (5), pinocembrin (6) and t...
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Article
An oxepinoflavone from Artocarpus elasticus with cytotoxic activity against P-388 cells
A new oxepinoflavone, artoindonesianin E1 (1), was isolated from the wood of Artocarpus elasticus, along with four known prenylated flavones: artocarpin (2), cycloartocarpin (3), cudraflavones A (4) and C (5). Th...
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Article
Oligostilbenoids from Shorea gibbosa and their cytotoxic properties against P-388 cells
A new oligostilbenoid derivative, diptoindonesin F (1), along with five known oligostilbenoids, (−)-ampelopsin A (2), (−)-α-viniferin (3), ampelopsin E (4), (−)-vaticanol B (5), and (−)-hemsleyanol D (6), were is...
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Article
Prenylated flavonoids and related compounds of the Indonesian Artocarpus (Moraceae)
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Article
Cytotoxic prenylated flavones from Artocarpus champeden
Two new prenylated flavones, artoindonesianins A-2 (1) and A-3 (2), together with three known prenylated flavones, artonin B (3), heterophyllin (4) and cudraflavone C (5), have been isolated and identified from t...
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Article
Prenylated flavonoids and related compounds of the Indonesian Artocarpus (Moraceae)
Several species of the genus Artocarpus (Moraceae) have been investigated in our laboratories during the last decade. Over 60 phenolic constituents have been discovered and characterized, including 27 new compoun...
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Article
Molecular diversity of Artocarpus champeden (Moraceae): A species endemic to Indonesia
A summary of results obtained in the study of natural products isolated from a Moraceae species Artocarpus champeden is presented. The various classes of 3-prenylflavonoids isolated and the biogenetical correlati...
