Total synthesis of exigurin: the Ugi reaction in a hypothetical biosynthesis of natural products
Hosokawa, Seijiro, Nakanishi, Keisuke, Udagawa, Yutaro, Maeda, Mitsutoshi, Sato, Seiya, Nakano, Keiji, Masuda, Toshiya, Ichikawa, Yoshiyasu
Published in Organic & biomolecular chemistry (28.01.2020)
Published in Organic & biomolecular chemistry (28.01.2020)
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Potentiometric Titration Based on the Reference Electrode Equipped with Ionic Liquid Salt Bridge — 1. Precipitation Titration of Chloride with Silver Ions in Water
KAKIUCHI, Takashi, TANIGO, Ryunosuke, TANI, Atsushi, YAMAZAKI, Takeshi, KOMATSUBARA, Kohta, NAKANO, Keiji, YAMAMOTO, Masahiro
Published in Denki kagaku oyobi kōgyō butsuri kagaku (01.01.2023)
Published in Denki kagaku oyobi kōgyō butsuri kagaku (01.01.2023)
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Asymmetric organocatalytic desymmetrization of 4,4-disubstituted cyclohexadienones at high pressure: a new powerful strategy for the synthesis of highly congested chiral cyclohexenones
Miyamae, Naomu, Watanabe, Naruhisa, Moritaka, Maya, Nakano, Keiji, Ichikawa, Yoshiyasu, Kotsuki, Hiyoshizo
Published in Organic & biomolecular chemistry (21.08.2014)
Published in Organic & biomolecular chemistry (21.08.2014)
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Trityl Cation Catalyzed Intramolecular Carbonyl-Ene Cyclization and [2+2] Cycloaddition
Nomoto, Yuya, Horinouchi, Ryo, Nishiyama, Nobuo, Nakano, Keiji, Ichikawa, Yoshiyasu, Kotsuki, Hiyoshizo
Published in Synlett (24.01.2017)
Published in Synlett (24.01.2017)
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Potentiometric Titration Based on the Reference Electrode Equipped with Ionic Liquid Salt Bridge — 1. Precipitation Titration of Chloride with Silver Ions in Water
KAKIUCHI, Takashi, TANIGO, Ryunosuke, TANI, Atsushi, YAMAZAKI, Takeshi, KOMATSUBARA, Kohta, NAKANO, Keiji, YAMAMOTO, Masahiro
Published in Denki kagaku oyobi kōgyō butsuri kagaku (01.01.2023)
Published in Denki kagaku oyobi kōgyō butsuri kagaku (01.01.2023)
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Synthesis of (−)-Agelastatin A by [3.3] Sigmatropic Rearrangement of Allyl Cyanate
Ichikawa, Yoshiyasu, Yamaoka, Tomonori, Nakano, Keiji, Kotsuki, Hiyoshizo
Published in Organic letters (02.08.2007)
Published in Organic letters (02.08.2007)
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Eosinophilic gastroenteritis caused by eating hens' eggs: A case report
Yanagimoto, Yoshitoki, Taniuchi, Shoichiro, Ishizaki, Yuko, Nakano, Keiji, Hosaka, Naoki, Kaneko, Kazunari
Published in Allergology International (01.10.2017)
Published in Allergology International (01.10.2017)
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Biomimetic Approaches Employing the Ugi Five-Center Four-Component Reaction for Synthesis of the Right-Hand Portion of Halichonadin Q and the Central Part of Halichonadin M
Mimura, Rika, Kitamori, Ayumi, Ikeda, Akifumi, Masuda, Toshiya, Nakano, Keiji, Kotsuki, Hiyoshizo, Ichikawa, Yoshiyasu
Published in Synthesis (Stuttgart) (01.10.2015)
Published in Synthesis (Stuttgart) (01.10.2015)
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Heteropoly Acid Supported on Silica Gel as Catalyst for the Asymmetric Transfer Allylation of Aromatic Aldehydes under Solvent-Free Conditions
Nunokawa, Shiori, Oki, Kazuya, Yamashita, Keisuke, Okuyama, Atsushi, Ueda, Tadaharu, Nakano, Keiji, Ichikawa, Yoshiyasu, Kotsuki, Hiyoshizo
Published in Synlett (15.03.2017)
Published in Synlett (15.03.2017)
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A Biomimetic Approach to the Synthesis of the Core Structure of the Marine Sponge Terpene Halichonadin G
Saito, Kenta, Nishimori, Ayumu, Mimura, Rika, Nakano, Keiji, Kotsuki, Hiyoshizo, Masuda, Toshiya, Ichikawa, Yoshiyasu
Published in European journal of organic chemistry (01.11.2013)
Published in European journal of organic chemistry (01.11.2013)
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Journal Article
Organocatalytic Asymmetric Hetero-Diels-Alder Reaction of Oxindoles under High Pressure
Mori, Kaori, Yamauchi, Tomoyuki, Maddaluno, Jacques, Nakano, Keiji, Ichikawa, Yoshiyasu, Kotsuki, Hiyoshizo
Published in Synlett (01.09.2011)
Published in Synlett (01.09.2011)
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Anomeric Effect of the Nitrogen Atom in the Isocyano and Urea Groups
Ichikawa, Yoshiyasu, Watanabe, Hitomi, Kotsuki, Hiyoshizo, Nakano, Keiji
Published in European Journal of Organic Chemistry (01.11.2010)
Published in European Journal of Organic Chemistry (01.11.2010)
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Synthesis of manzacidin A and C: efficient construction of quaternary carbon stereocenters bearing nitrogen substituents
Ichikawa, Yoshiyasu, Okumura, Ken, Matsuda, Yasunori, Hasegawa, Tomoyuki, Nakamura, Mitsuhiro, Fujimoto, Aya, Masuda, Toshiya, Nakano, Keiji, Kotsuki, Hiyoshizo
Published in Organic & biomolecular chemistry (21.01.2012)
Published in Organic & biomolecular chemistry (21.01.2012)
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Journal Article
AN ORGANOCATALYTIC ASYMMETRIC DIELS-ALDER STRATEGY FOR THE ENANTIOSELECTIVE SYNTHESIS OF SPIROCYCLIC OXINDOLE-CYCLOHEXENONES
Matsugi, Aoi, Nunokawa, Shiori, Watanabe, Naruhisa, Nakata, Yuya, Nakano, Keiji, Ichikawa, Yoshiyasu, Kotsuki, Hiyoshizo
Published in Heterocycles (2016)
Published in Heterocycles (2016)
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