-
An efficient enantiospecific synthesis of neuroactive glutamate analogs
Reviewed
Tsukamoto Shuntaro, Itagaki Hiyori, Morokuma Kenji, Miyako Kei, Ishikawa Yuichi, Sakai Ryuichi, Oikawa Masato
Heterocycles
101
(
1
)
91
-
98
2020
-
Photoremovable NPEC group compatible with Ns protecting group in polyamine synthesis
Reviewed
MIYAHARA Masayoshi, SHIOZAKI Hiroki, TUKADA Hideyuki, ISHIKAWA Yuichi, OIKAWA Masato
Tetrahedron Letters
59
4259
-
4262
2018.10
-
Studies on Aculeines: Synthetic Strategy to the Fully Protected Protoaculeine B, the N‐Terminal Amino Acid of Aculeine B
Reviewed
SHIOZAKI Hiroki, Miyahara Masayoshi, OTSUKA Kazunori, MIYAKO Kei, HONDA Akito, TAKASAKI Yuichi, TAKAMIZAWA Satoshi, TSUKADA Hideyuki, ISHIKAWA Yuichi, SAKAI Ryuichi, OIKAWA Masato
Org. Lett.
20
3403
-
3407
2018.5
-
Prins reaction using trioxane for trisubstituted, cis-fused hexahydro-2h-furo [3,2-b] pyran derivative
Reviewed
Oriel Hlokoane, Hiyori Itagaki, Manami Chiba, Taiki Noda, Yuichi Takasaki, Kei Miyako, Ryuichi Sakai, Yuichi Ishikawa, Masato Oikawa
Heterocycles
96
(
3
)
453
-
460
2018
-
A monocyclic neodysiherbaine analog: Synthesis and evaluation
Reviewed
Koichi Fukushima, Yuichi Ishikawa, Ryuichi Sakai, Masato Oikawa
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
26
(
21
)
5164
-
5167
2016.11
-
Synthetic study of strongylophorines: stereoselective construction of the characteristic lactone bridge
Reviewed
Yuya Oikawa, Daiki Uchiyama, Takuya Shirasawa, Masato Oikawa, Yuichi Ishikawa
TETRAHEDRON LETTERS
57
(
35
)
3949
-
3951
2016.8
-
Three-Component, Diastereoselective Prins-Ritter Reaction for cis-Fused 4-Amidotetrahydropyrans toward a Precursor for Possible Neuronal Receptor Ligands
Reviewed
Manami Chiba, Yuichi Ishikawa, Ryuichi Sakai, Masato Oikawa
ACS COMBINATORIAL SCIENCE
18
(
7
)
399
-
404
2016.7
-
Studies directed toward synthesis of taepeenin D: construction of the C4 stereogenic center and the CD benzofuran rings
Reviewed
Yuichiro Nakazawa, Meri Nagatomo, Tsuyoshi Oikawa, Masato Oikawa, Yuichi Ishikawa
TETRAHEDRON LETTERS
57
(
24
)
2628
-
2630
2016.6
-
Asymmetric Organocatalytic Cyclopropanation on Chiral Menthyl Acrylate for the Synthesis of (-)-trans-2-Aminomethylcyclopropanecarboxylic Acid [(-)-TAMP]
Reviewed
Yuka Sugeno, Yuichi Ishikawa, Masato Oikawa
SYNLETT
25
(
7
)
987
-
990
2014.4
-
First enantioselective total synthesis of (-)-dysibetaine CPa and absolute configurations of natural product
Reviewed
Michihiro Sakai, Yuichi Ishikawa, Satoshi Takamizawa, Masato Oikawa
TETRAHEDRON LETTERS
54
(
44
)
5911
-
5912
2013.10
-
A Synthesis of (-)-cis-2-Aminomethylcyclopropanecarboxylic Acid [(-)-CAMP]
Reviewed
Masato Oikawa, Yuka Sugeno, Yuichi Ishikawa, Hideyuki Tukada
SYNLETT
24
(
7
)
886
-
888
2013.4
-
Studies on an (S)-2-Amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic Acid (AMPA) Receptor Antagonist IKM-159: Asymmetric Synthesis, Neuroactivity, and Structural Characterization
Reviewed
Lina Juknaite, Yutaro Sugamata, Kazuya Tokiwa, Yuichi Ishikawa, Satoshi Takamizawa, Andrew Eng, Ryuichi Sakai, Darryl S. Pickering, Karla Frydenvang, Geoffrey T. Swanson, Jette S. Kastrup, Masato Oikawa
JOURNAL OF MEDICINAL CHEMISTRY
56
(
6
)
2283
-
2293
2013.3
-
Biology- and diversity-oriented domino reactions for synthesis of AMPA receptor antagonist IKM-159 and analogs
Reviewed
Oikawa M, Kasori Y, Katayama L, Murakami E, Oikawa Y, Ishikawa Y
Synthesis
45
3106
-
3117
2013
-
1-Hydroxy-2-methyl-2-propyl Isocyanide (HMPI) as a New Convertible Isocyanide for the Ugi Four-Component-Coupling Reaction
Reviewed
Oikawa Masato, Sugamata Yutaro, Chiba Manami, Fukushima Koichi, Ishikawa Yuichi
Synlett
24
(
15
)
2014
-
2018
2013
-
Total Synthesis of (+/-)-Dysibetaine CPa and Analogs
Reviewed
Masato Oikawa, Shota Sasaki, Michihiro Sakai, Yuichi Ishikawa, Ryuichi Sakai
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
2012
(
29
)
5789
-
5802
2012.10
-
Synthesis and biological evaluation of molecular probes based on the 9-methylstreptimidone derivative DTCM-glutarimide
Reviewed
Eisuke Ota, Masatoshi Takeiri, Miyuki Tachibana, Yuichi Ishikawa, Kazuo Umezawa, Shigeru Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
22
(
1
)
164
-
167
2012.1
-
Total Syntheses of Amphidinolides B, G, and H
Reviewed
Akihiro Hara, Ryo Morimoto, Yuki Iwasaki, Tsuyoshi Saitoh, Yuichi Ishikawa, Shigeru Nishiyama
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
51
(
39
)
9877
-
9880
2012
-
Design and synthesis of biotinylated DHMEQ for direct identification of its target NF-kappa B components
Reviewed
Tsuyoshi Saitoh, Masatoshi Takeiri, Yuko Gotoh, Yuichi Ishikawa, Kazuo Umezawa, Shigeru Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
21
(
21
)
6293
-
6296
2011.11
-
Inhibition of macrophage activation and suppression of graft rejection by DTCM-glutarimide, a novel piperidine derived from the antibiotic 9-methylstreptimidone
Reviewed
Masatoshi Takeiri, Miyuki Tachibana, Ayumi Kaneda, Ayumi Ito, Yuichi Ishikawa, Shigeru Nishiyama, Ryoichi Goto, Kenichiro Yamashita, Susumu Shibasaki, Gentaro Hirokata, Michitaka Ozaki, Satoru Todo, Kazuo Umezawa
INFLAMMATION RESEARCH
60
(
9
)
879
-
888
2011.9
-
Synthesis of the C7-26 Fragment of Amphidinolides G and H
Reviewed
Akihiro Hara, Ryo Morimoto, Yuichi Ishikawa, Shigeru Nishiyama
ORGANIC LETTERS
13
(
15
)
4036
-
4039
2011.8
-
Synthesis of Key Fragments of Amphidinolide Q - A Cytotoxic 12-membered Macrolide
Reviewed
Kohei Kawa, Akihiro Hara, Yuichi Ishikawa, Shigeru Nishiyama
MOLECULES
16
(
7
)
5422
-
5436
2011.7
-
A synthetic approach to carbazoles using electrochemically generated hypervalent iodine oxidant
Reviewed
Daichi Kajiyama, Keisuke Inoue, Yuichi Ishikawa, Shigeru Nishiyama
TETRAHEDRON
66
(
52
)
9779
-
9784
2010.12
-
A new NF-kappa B inhibitor based on the amino-epoxyquinol core of DHMEQ
Reviewed
Tsuyoshi Saitoh, Chika Shimada, Masatoshi Takeiri, Mitsuhiro Shiino, Shigeru Ohba, Rika Obata, Yuichi Ishikawa, Kazuo Umezawa, Shigeru Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
20
(
19
)
5638
-
5642
2010.10
-
Electrochemical construction of the diaryl ethers: a synthetic approach to o-methylthalibrine
Reviewed
Yu Naito, Takamasa Tanabe, Yuki Kawabata, Yuichi Ishikawa, Shigeru Nishiyama
TETRAHEDRON LETTERS
51
(
36
)
4776
-
4778
2010.9
-
A Novel Approach to Indoloditerpenes by Nazarov Photocyclization: Synthesis and Biological Investigations of Terpendole E Analogues
Reviewed
Fatima Churruca, Manolis Fousteris, Yuichi Ishikawa, Margarete von Wantoch Rekowski, Candide Hounsou, Thomas Surrey, Athanassios Giannis
ORGANIC LETTERS
12
(
9
)
2096
-
2099
2010.5
-
Synthesis of Tetrahydropyrroloiminoquinone Alkaloids Based on Electrochemically Generated Hypervalent Iodine Oxidative Cyclization
Reviewed
Keisuke Inoue, Yuichi Ishikawa, Shigeru Nishiyama
ORGANIC LETTERS
12
(
3
)
436
-
439
2010.2
-
Efficient synthesis of (+/-)-parasitenone, a novel inhibitor of NF-kappa B
Reviewed
Tsuyoshi Saitoh, Eriko Suzuki, Arisa Takasugi, Rika Obata, Yuichi Ishikawa, Kazuo Umezawa, Shigeru Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
19
(
18
)
5383
-
5386
2009.9
-
A synthetic study on gymnastatins F and Q: the tandem Michael and aldol reaction approach
Reviewed
Kyoko Murayama, Takamasa Tanabe, Yuichi Ishikawa, Kensuke Nakamura, Shigeru Nishiyama
TETRAHEDRON LETTERS
50
(
26
)
3191
-
3194
2009.7
-
Total synthesis of (+/-)-megistophylline I
Reviewed
Yuko Nishihama, Yuichi Ishikawa, Shigeru Nishiyama
TETRAHEDRON LETTERS
50
(
23
)
2801
-
2804
2009.6
-
Synthesis and biological evaluation on novel analogs of 9-methylstreptimidone, an inhibitor of NF-kappa B
Reviewed
Yuichi Ishikawa, Miyuki Tachibana, Chino Matsui, Rika Obata, Kazuo Umezawa, Shigeru Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
19
(
6
)
1726
-
1728
2009.3
-
Synthesis of a spiroacetal moiety of antitumor antibiotic ossamycin by anodic oxidation
Reviewed
Eriko Honjo, Noriki Kutsumura, Yuichi Ishikawa, Shigeru Nishiyama
TETRAHEDRON
64
(
40
)
9495
-
9506
2008.9
-
Synthesis and biological assessment of hemiacetal spiro derivatives towards development of efficient chemotherapeutic agent
Reviewed
Takahisa Ogamino, Sayo Ohnishi, Yuichi Ishikawa, Takeshi Sugai, Rika Obata, Shigeru Nishiyama
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
7
(
2
)
175
-
183
2006.3
-
The first total synthesis of SB87-Cl and pestalone, novel bioactive benzophenone natural products
Reviewed
D Iijima, D Tanaka, M Hamada, T Ogamino, Y Ishikawa, S Nishiyama
TETRAHEDRON LETTERS
45
(
28
)
5469
-
5471
2004.7
-
The first total synthesis and absolute stereochemistry of plakortone G from the Jamaican sponge Plakortis sp.
Reviewed
S Kowashi, T Ogamino, J Kamei, Y Ishikawa, S Nishiyama
TETRAHEDRON LETTERS
45
(
22
)
4393
-
4396
2004.5
-
Synthesis of the BCD ring system of azaspiracid: Construction of the trispiro ring structure by the thioether approach
Reviewed
Yuichi Ishikawa, Shigeru Nishiyama
Tetrahedron Letters
45
(
2
)
351
-
354
2004.1
-
Synthesis of (+/-)-pyranonaphthoquinone derivatives, a Cdc25A phosphatase inhibitor
Reviewed
A Shimbashi, Y Ishikawa, S Nishiyama
TETRAHEDRON LETTERS
45
(
5
)
939
-
941
2004.1
-
Electrochemical synthesis of spiroisoxazole derivatives and its application to natural products
Reviewed
T Ogamino, Y Ishikawa, S Nishiyama
HETEROCYCLES
61
73
-
+
2003.12
-
Biological activities of alpha-mangostin derivatives against acidic sphingomyelinase
Reviewed
M Hamada, K Iikubo, Y Ishikawa, A Ikeda, K Umezawa, S Nishiyama
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
13
(
19
)
3151
-
3153
2003.10
-
The first direct synthesis of alpha-mangostin, a potent inhibitor of the acidic sphingomyelinase
Reviewed
K Iikubo, Y Ishikawa, N Ando, K Umezawa, S Nishiyama
TETRAHEDRON LETTERS
43
(
2
)
291
-
293
2002.1
-
(+)-3-{(4S,5S)-5-[1,1-dimethyl-2-(phenylthio)ethyl]-2,2-dimethyl-1,3-dioxolan-4-yl}prop-2-yn-1-ol
Reviewed
H Hosomi, S Ohba, K Ohmori, T Obitsu, Y Ogawa, Y Ishikawa, S Yamamura, S Nishiyama
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS
56
E142
-
E143
2000.4
-
(-)-(3S)-4-(2-{[4,4-dimethoxy-6-(benzyloxymethyl) perhydropyran-2-yl]methyl}-1,3-dithian-2-yl)-4-methyl-3-(1,1,2,2-tetramethyl-1-silapropoxy)-pentan-1-ol
Reviewed
H Hosomi, S Ohba, K Ohmori, T Obitsu, Y Ogawa, Y Ishikawa, S Yamamura, S Nishiyama
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS
56
E140
-
E141
2000.4
-
Total synthesis of bryostatin 3
Reviewed
K Ohmori, Y Ogawa, T Obitsu, Y Ishikawa, S Nishiyama, S Yamamura
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
39
(
13
)
2290
-
2294
2000
