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Flavestin K, An Isoprenylated Stilbene from the Leaves of Macaranga recurvata Gage
Tjitjik Srie Tjahjandarie,Mulyadi Tanjung,Ratih Dewi Saputri,Anton Permadi,Muhammad Fajar Aldin,Eva Marliana,Anton Permadi 한국생약학회 2019 Natural Product Sciences Vol.25 No.3
A new isoprenylated stilbene, flavestinK (1) together with two known isoprenylated stilbenes, flavestin B (2), flavestin G (3), and two isoprenilated flavanones, 4-O-methyl-8-isoprenylnaringenin (4) and 8-isoprenyl-5,7-dihydroxyflavanone (5) were isolated from the leaves of Macaranga recurvata Gage. All of the structures have been determined based on HRESIMS, 1D and 2D NMR spectral data. All of the isolated compounds were evaluated for their cytotoxicity against three human cancer cells (HeLa, T47D and WiDr). Compound 1 showed higher activity than doxorubicin against HeLa cells with IC50 value of 13.1 μg/mL.
Two New Flavanones from the Leaves of Flemingia lineata (L.) Aiton
Mulyadi Tanjung,Tjitjik Srie Tjahjandarie,Shola Mardhiyyah,Ghinsha Zakatina Rahman,Muhammad Fajar Aldin,Ratih Dewi Saputri,Norizan Ahmat 한국생약학회 2022 Natural Product Sciences Vol.28 No.1
Three isoprenylated flavanones were isolated from the leaves of Flemingia lineata (L.) Aiton. Among them are two new flavanones, flemilineatins A and B (1-2), along with 6-isoprenyl eridioctyol (3). Their structures were determined using HRESIMS data and NMR spectra. Flavanones 1-3 were assayed in the HeLa cancer cells. Compound 1 showed moderate activity with an IC50 value of 11.2 µM.
Two New Flavanones from the Leaves of Flemingia lineata (L.) Aiton
Tanjung, Mulyadi,Tjahjandarie, Tjitjik Srie,Mardhiyyah, Shola,Rahman, Ghinsha Zakatina,Aldin, Muhammad Fajar,Saputri, Ratih Dewi,Ahmat, Norizan The Korean Society of Pharmacognosy 2022 Natural Product Sciences Vol.28 No.2
Three isoprenylated flavanones were isolated from the leaves of Flemingia lineata (L.) Aiton. Among them are two new flavanones, flemilineatins A and B (1-2), along with 6-isoprenyl eridioctyol (3). Their structures were determined using HRESIMS data and NMR spectra. Flavanones 1 - 3 were assayed in the HeLa cancer cells. Compound 1 showed moderate activity with an IC<sub>50</sub> value of 11.2 μM.
Macasiamenene V, a New Stilbenoid from the Leaves of Macaranga inermis
Muhammad Fajar Aldin,Tjitjik Srie Tjahjandarie,Ratih Dewi Saputri,Mulyadi Tanjung 한국생약학회 2021 Natural Product Sciences Vol.27 No.1
One new compound, macasiamenene V (1), and two known stilbenes (2 - 3) were isolated from Macaranga inermis Pax & K.Hoffm leaves. The structure of 1 was fully assigned based on the information on high-resolution MS and (1D, 2D) NMR spectra. The cytotoxic of compounds 1 - 3 was evaluated against 4T1 and HeLa cells. Compounds 2 - 3 showed high activity against HeLa cells with an IC50 value of 1.09 and 0.88 μg/mL, respectively.
Meliglabrin, A New Flavonol Derivative from the leaves of Melicope glabra (Blume) T.G. Hartley
Ratih Dewi Saputri,Tjitjik Srie Tjahjandarie,Mulyadi Tanjung 한국생약학회 2018 Natural Product Sciences Vol.24 No.3
A new flavonol derivative, meliglabrin (1) along with three known flavonols, ternatin (2), meliternatin (3), and 5,4'-dihydroxy-3,7,3'-trimethoxyflavon (4) were isolated from the leaves of Melicope glabra (Blume) T.G. Hartley. Their structures were determined using extensive spectroscopic methods, including UV, IR, HRESIMS, 1D and 2D NMR. Compounds 1 - 4 were evaluated for their cytotoxicity against murine leukemia P-388 cells, compound 4 showed moderate activity.
Melixyloidin, A New Acridone Alkaloid from Melicope xanthoxyloides Leaves
Ratih Dewi Saputri,Mulyadi Tanjung,Tjitjik Srie Tjahjandarie 한국생약학회 2021 Natural Product Sciences Vol.27 No.3
A new acridone alkaloid, melixyloidin (1), and two known alkaloids (2-3) were isolated from Melicope xanthoxyloides (F. Muell) T.G. Hartley leaves. The structure of melixyloidin were elucidated using NMR spectra and high-resolution ESIMS data. Acridone alkaloids 1-3 were evaluated against MCF-7 and HeLa cells. 1,3,4-Trimethoxy-10-methylacridin-9-one (2) showed potent cytotoxic activity against MCF-7 cells with an IC50 value of 5.31 μM.
Sesbagrandiflorain F, a New 2-Arylbenzofuran from the Stem Bark of Sesbania grandiflora L.
Mulyadi Tanjung,Muhammad Fajar Aldin,Tjitjik Srie Tjahjandarie,Devina Oktari Rahayu,Alfiah Nur Irza Gunawan,Ratih Dewi Saputri 한국생약학회 2021 Natural Product Sciences Vol.27 No.3
Sesbagrandiflorain F (1), a novel 2-arylbenzofuran, and two more 2-arylbenzofurans (2-3), were isolated from the stem bark of Sesbania grandiflora L. Based on information HRESIMS data, 1D, and 2D NMR spectra, the structure of 1 was fully assigned. Compounds 1-3 were tested for cytotoxicity in MCF-7 and HeLa cells. Compounds 1 and 3 showed moderate activity against MCF-7 cells with an IC50 value of 2.68 and 4.08 µg/mL, respectively. Conversely, all of the isolates were inactive towards HeLa cells.
Acronyculatin P, A New Isoprenylated Acetophenone from the Stem Bark of Acronychia pedunculata
Mulyadi Tanjung,Intan Nurmalasari,Aisyah Kanti Wilujeng,Ratih Dewi Saputri,Fida Rachmadiarti,Tjitjik Srie Tjahjandarie 한국생약학회 2018 Natural Product Sciences Vol.24 No.4
A new isoprenylated acetophenone, acronyculatin P (1) as well as two known compounds, 3',5'-diisoprenyl-2',4'-dihydroxy-6'-methoxyphenylethanone (2) and 3'-isoprenyl-2',4',6'-trihydroxyphenylethanone (3) were isolated from the stem bark of Acronychia pedunculata (L.) Miq. The structures were determined by HRESIMS, 1D and 2D NMR. The inhibitory activity of the isoprenylated acetophenone derivatives against murine leukemia P-388 cells showed compound 1 moderate activity with IC50 15.42 mM.