Search Results - "Wong, Chin Piow"

Identification of a diarylpentanoid-producing polyketide synthase revealing an unusual biosynthetic pathway of 2-(2-phenylethyl)chromones in agarwood by Wang, Xiao-Hui, Gao, Bo-Wen, Nakashima, Yu, Mori, Takahiro, Zhang, Zhong-Xiu, Kodama, Takeshi, Lee, Yuan-E, Zhang, Ze-Kun, Wong, Chin-Piow, Liu, Qian-Qian, Qi, Bo-Wen, Wang, Juan, Li, Jun, Liu, Xiao, Abe, Ikuro, Morita, Hiroyuki, Tu, Peng-Fei, Shi, She-Po

“…2-(2-Phenylethyl)chromones (PECs) are the principal constituents contributing to the distinctive fragrance of agarwood. How PECs are biosynthesized is…”
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Two Distinct Substrate Binding Modes for the Normal and Reverse Prenylation of Hapalindoles by the Prenyltransferase AmbP3 by Wong, Chin Piow, Awakawa, Takayoshi, Nakashima, Yu, Mori, Takahiro, Zhu, Qin, Liu, Xinyu, Abe, Ikuro

“…The cyanobacterial prenyltransferase AmbP3 catalyzes the reverse prenylation of the tetracyclic indole alkaloid hapalindole U at its C‐2 position…”
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Umezawamides, new bioactive polycyclic tetramate macrolactams isolated from a combined-culture of Umezawaea sp. and mycolic acid-containing bacterium by Hoshino, Shotaro, Wong, Chin Piow, Ozeki, Masahiro, Zhang, Huiping, Hayashi, Fumiaki, Awakawa, Takayoshi, Asamizu, Shumpei, Onaka, Hiroyasu, Abe, Ikuro

“…New polycyclic tetramate macrolactams, Umezawamides A ( 1 ) and B ( 2 ) were isolated from a combined-culture of Umezawaea sp. RD066910 and mycolic-acid…”
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Cliniatines A–C, new Amaryllidaceae alkaloids from Clivia miniata, inhibiting Acetylcholinesterase by Hirasawa, Yusuke, Tanaka, Tomoko, Hirasawa, Shiro, Wong, Chin Piow, Uchiyama, Nahoko, Kaneda, Toshio, Goda, Yukihiro, Morita, Hiroshi

“…Cliniatines A–C ( 1 – 3 ), three new Amaryllidaceae alkaloids, consisting of 2,6-dimetylpyridine and lycorine-type and/or galanthamine-type were isolated from…”
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Two new quassinoids and other constituents from Picrasma javanica wood, and their biological activities by Prema, Wong, Chin Piow, Nugroho, Alfarius Eko, Awouafack, Maurice Ducret, Win, Yi Yi, Win, Nwet Nwet, Ngwe, Hla, Morita, Hiroshi, Morita, Hiroyuki

“…Picrasma javanica Blume (Simaroubaceae) is a medium-sized tree that is distributed widely in tropical Asia. In our previous study, we isolated quassinoids from…”
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Antimelanogenic Activity of Ocotillol‐Type Saponins from Panax vietnamensis by Minh Nguyen, Hien, Truong Nguyen, Huy, Win, Nwet, Piow Wong, Chin, Vu Huynh, Kim Long, Hoang, Nhat Nam, Do, Kiep Minh, Thi Nguyen, Hoai, Viet Ho, Duc, Duc Nguyen, Minh, Morita, Hiroyuki

“…The ocotillol (OCT)‐type saponins have been known as a tetracyclic triterpenoid, possessing five‐ or six‐membered epoxy ring in the side chain. Interestingly,…”
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Ceramicines M–P from Chisocheton ceramicus: isolation and structure–activity relationship study by Nugroho, Alfarius Eko, Hashimoto, Akiyo, Wong, Chin-Piow, Yokoe, Hiromasa, Tsubuki, Masayoshi, Kaneda, Toshio, Hadi, A. Hamid A., Morita, Hiroshi

“…Ceramicines are a series of limonoids which were isolated from the bark of Malaysian Chisocheton ceramicus (Meliaceae) and show various biological activities…”
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Mirilactams C–E, Novel Polycyclic Macrolactams Isolated from Combined-Culture of Actinosynnema mirum NBRC 14064 and Mycolic Acid-Containing Bacterium by Hoshino, Shotaro, Ozeki, Masahiro, Wong, Chin Piow, Zhang, Huiping, Hayashi, Fumiaki, Awakawa, Takayoshi, Morita, Hiroyuki, Onaka, Hiroyasu, Abe, Ikuro

“…Mycolic acid-containing bacteria (MACB) are known to activate cryptic natural product biosynthesis in co-cultures with actinobacteria. We cultured…”
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New cytotoxic polyacetylene alcohols from the Egyptian marine sponge Siphonochalina siphonella by Ki, Dae-Won, El-Desoky, Ahmed H., Wong, Chin Piow, Abdel-Ghani, Mohamed, El-Beih, Ahmed A., Mizuguchi, Mineyuki, Morita, Hiroyuki

“…Three new polyacetylenic alcohols, siphonellanols A–C ( 1 – 3 ), together with two known polyacetylenic alcohols ( 4 – 5 ), were isolated from the CHCl 3…”
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Walsogynes H–O from Walsura chrysogyne by Nugroho, Alfarius Eko, Nakajima, Saori, Wong, Chin Piow, Hirasawa, Yusuke, Kaneda, Toshio, Shirota, Osamu, Tougan, Takahiro, Horii, Toshihiro, Hadi, A. Hamid A., Morita, Hiroshi

“…Eight new limonoids, walsogynes H–O ( 1 – 8 ) were isolated from the barks of Walsura chrysogyne , and their structures were determined on the basis of the 1D…”
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Three new quassinoids isolated from the wood of Picrasma javanica and their anti-Vpr activities by Prema, Wong, Chin Piow, Kodama, Takeshi, Nugroho, Alfarius Eko, El-Desoky, Ahmad H., Awouafack, Maurice Ducret, Win, Yi Yi, Ngwe, Hla, Abe, Ikuro, Morita, Hiroshi, Morita, Hiroyuki

“…Three new quassinoids, javanicinols A and B ( 1 and 2 ) and 4-keto-(16 S )-methoxyjavanicin B ( 3 ), together with three known quassinoids ( 4–6 ) were…”
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Reinereins A and B, new onocerane triterpenoids from Reinwardtiodendron cinereum by Nugroho, Alfarius Eko, Inoue, Daisuke, Wong, Chin Piow, Hirasawa, Yusuke, Kaneda, Toshio, Shirota, Osamu, Hadi, A. Hamid A., Morita, Hiroshi

“…Bioactivity guided separation of Reinwardtiodendron cinereum barks methanol extract led to the isolation of two new onocerane triterpenoids, reinereins A and B…”
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How structural subtleties lead to molecular diversity for the type III polyketide synthases by Morita, Hiroyuki, Wong, Chin Piow, Abe, Ikuro

“…Type III polyketide synthases (PKSs) produce an incredibly diverse group of plant specialized metabolites with medical importance despite their structural…”
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Plant natural products as an anti-lipid droplets accumulation agent by Wong, Chin Piow, Kaneda, Toshio, Morita, Hiroshi

“…Recently people often suffer from unhealthy energy metabolism balance as they tend to take more energy than required. Normally, excess energy taken in is…”
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Anti-melanin deposition activity and active constituents of Jatropha multifida stems by Woo, So-Yeun, Wong, Chin Piow, Win, Nwet Nwet, Lae, Khine Zar Wynn, Woo, Bokyoung, Elsabbagh, Sherif Adel, Liu, Qian Qian, Ngwe, Hla, Morita, Hiroyuki

“…Jatropha multifida is a medicinal plant that belongs to the Euphorbiaceae family. Our investigation revealed that the chloroform extract of J. multifida stems…”
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Sabiperones A-F, New Diterpenoids from Juniperus sabina by Janar, Jenis, Nugroho, Alfarius Eko, Wong, Chin Piow, Hirasawa, Yusuke, Kaneda, Toshio, Shirota, Osamu, Morita, Hiroshi

“…Six new diterpenoids, sabiperones A-F (1-6) have been isolated from the aerial part of Juniperus sabina. Their structures were elucidated by spectroscopic…”
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Rupestines F-M, New Guaipyridine Sesquiterpene Alkaloids from Artemisia rupestris by He, Fei, Nugroho, Alfarius Eko, Wong, Chin Piow, Hirasawa, Yusuke, Shirota, Osamu, Morita, Hiroshi, Aisa, Haji Akber

“…Eight new guaipyridine sesquiterpene alkaloids, rupestines F-M (1-8) were isolated from the leaves of Artemisia rupestris and their structures were elucidated…”
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Ceramicines E—I, New Limonoids from Chisocheton ceramicus by Wong, Chin Piow, Shimada, Misae, Nagakura, Yuta, Nugroho, Alfarius Eko, Hirasawa, Yusuke, Kaneda, Toshio, Awang, Khalijah, Hadi, A. Hamid A., Mohamad, Khalit, Shiro, Motoo, Morita, Hiroshi

“…Five new limonoids, ceramicines E—I (1—5), have been isolated from the bark of Chisocheton ceramicus. The structures and relative stereochemistry of them were…”
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Dysosesquiflorins A and B, sesquiterpenoids from Dysoxylum densiflorum by Nugroho, Alfarius E., Sugiura, Rio, Momota, Takanori, Hirasawa, Yusuke, Wong, Chin Piow, Kaneda, Toshio, Hadi, A. Hamid A., Morita, Hiroshi

“…Two new aromadendrane sesquiterpenoids, dysosesquiflorins A and B ( 1 and 2 ), were isolated from Dysoxylum densiflorum bark, and their structures were…”
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Four new Amaryllidaceae alkaloids from Zephyranthes candida by Shitara, Nanase, Hirasawa, Yusuke, Hasumi, Shunsuke, Sasaki, Tadahiro, Matsumoto, Misaki, Wong, Chin Piow, Kaneda, Toshio, Asakawa, Yoshinori, Morita, Hiroshi

“…Four new Amaryllidaceae alkaloids (1–4) possessing a homolycorine-type or a crinine-type skeleton have been isolated from the aerial part of Zephyranthes…”
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