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Makoto Iwashima

Antioxidant and Antiviral Activities of Plastoquinones from the Brown Alga Sargassum micracanthum, and a New Chromene Derivative Converted from the Plastoquinones
2005 · Makoto Iwashima, Jun Mori, et al. · Biological and Pharmaceutical Bulletin · 123
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A Synthetic Study on Antiviral and Antioxidative Chromene Derivative
2006 · Jun Mori, Makoto Iwashima, et al. · Chemical and Pharmaceutical Bulletin · 98
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Total Synthesis of (+)-Calyculin A and (−)-Calyculin B: Asymmetric Synthesis of the C(9−25) Spiroketal Dipropionate Subunit
1999 · Amos B. Smith, Gregory K. Friestad, et al. · Journal of the American Chemical Society · 75
Total Synthesis of (+)-Calyculin A and (−)-Calyculin B: Cyanotetraene Construction, Asymmetric Synthesis of the C(26−37) Oxazole, Fragment Assembly, and Final Elaboration
1999 · Amos B. Smith, Gregory K. Friestad, et al. · Journal of the American Chemical Society · 69
New Plastoquinones Isolated from the Brown Alga, Sargassum micracanthum
2005 · Jun Mori, Makoto Iwashima, et al. · Chemical and Pharmaceutical Bulletin · 65
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Tricycloclavulone and Clavubicyclone, Novel Prostanoid-Related Marine Oxylipins, Isolated from the Okinawan Soft Coral Clavularia viridis
2002 · Makoto Iwashima, Ikuo Terada, et al. · The Journal of Organic Chemistry · 52
Total synthesis of marine diterpene fuscol
1992 · Makoto Iwashima, Hiroto Nagaoka, et al. · Tetrahedron Letters · 40
New Biologically Active Marine Sesquiterpenoid and Steroid from the Okinawan Sponge of the Genus Axinyssa.
2002 · Makoto Iwashima, Ikuo Terada, et al. · Chemical and Pharmaceutical Bulletin · 39
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Total Synthesis of (+)-Calyculin A and (−)-Calyculin B
1998 · Amos B. Smith, Gregory K. Friestad, et al. · The Journal of Organic Chemistry · 39
Three new chlorinated marine steroids, yonarasterols G, H and I, isolated from the Okinawan soft coral, Clavularia viridis
2001 · Makoto Iwashima, Ken Nara, et al. · Steroids · 36
The C-Glucosyl Bond of Puerarin Was Cleaved Hydrolytically by a Human Intestinal Bacterium Strain PUE to Yield Its Aglycone Daidzein and an Intact Glucose
2011 · Kenichi Nakamura, Tomohiro Nishihata, et al. · Chemical and Pharmaceutical Bulletin · 35
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New Marine Cembrane-type Diterpenoids from the Okinawan Soft Coral Clavularia koellikeri
2000 · Makoto Iwashima, Yuuki Matsumoto, et al. · Journal of Natural Products · 31
Effects of Plastoquinones from the Brown Alga Sargassum micracanthum and a New Chromene Derivative Converted from the Plastoquinones on Acute Gastric Lesions in Rats
2006 · Jun Mori, Toshimitsu Hayashi, et al. · Biological and Pharmaceutical Bulletin · 30
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New Marine Diterpenoids from the Okinawan Soft Coral Clavularia k oellikeri
2002 · Makoto Iwashima, Yuuki Matsumoto, et al. · Journal of Natural Products · 30
New Chromane Derivatives Isolated from the Brown Alga, Sargassum micracanthum
2008 · Makoto Makoto Iwashima, Natsuko Tako, et al. · Chemical and Pharmaceutical Bulletin · 29
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A New Bioactive Triene Aldehyde from the Marine Sponge Leucetta microraphis
2000 · Kinzo Watanabe, Yuichiro Tsuda, et al. · Journal of Natural Products · 29
New marine steroids, yonarasterols, isolated from the Okinawan soft coral, Clavularia viridis
2000 · Makoto Iwashima, Ken Nara, et al. · Steroids · 28
A caveat on the Sharpless asymmetric dihydroxylation
1995 · Makoto Iwashima, Takeshi Kinsho, et al. · Tetrahedron Letters · 28
Baicalein 5,6,7‐trimethyl ether, a flavonoid derivative, stimulates fatty acid β‐oxidation in skin fibroblasts of X‐linked adrenoleukodystrophy
2004 · Masashi Morita, Ikuko Takahashi, et al. · FEBS Letters · 25
Clavirins, a new type of marine oxylipins with growth-inhibitory activity from the Okinawan soft coral, Clavularia viridis
1999 · Makoto Iwashima, Katsumi Okamoto, et al. · Tetrahedron Letters · 25
Clavulolactones, New Marine Prostanoids with a γ-Lactonic Moiety in the α-Side-Chain from the Okinawan Soft Coral, Clavularia viridis
1995 · Kazuo Iguchi, Makoto Iwashima, et al. · Journal of Natural Products · 22
Expression and Characterization of the Human Intestinal Bacterial Enzyme Which Cleaves the C-Glycosidic Bond in 3″-Oxo-puerarin
2019 · Kenichi Nakamura, Shu Zhu, et al. · Biological and Pharmaceutical Bulletin · 21
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New Marine Prostanoids from the Okinawan Soft Coral, Clavularia viridis
1999 · Makoto Iwashima, Katsumi Okamoto, et al. · Journal of Natural Products · 20
Enzymatic Cleavage of the C-Glucosidic Bond of Puerarin by Three Proteins, Mn2+, and Oxidized Form of Nicotinamide Adenine Dinucleotide
2013 · Kenichi Nakamura, Katsuko Komatsu, et al. · Biological and Pharmaceutical Bulletin · 18
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New bioactive marine steroids from the Okinawan soft coral Clavularia viridis
1996 · Kinzo Watanabe, Makoto Iwashima, et al. · Steroids · 18
Works count: 61
Citation count: 1,227
H-index: 21
I10-index: 38
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