Stereocontrolled Route to Vicinal Diamines by [3.3]-Sigmatropic Rearrangement of Allyl Cyanate: Asymmetric Synthesis of anti-(2R,3R)- and syn-(2R,3S)-2,3-Diaminobutanoic Acids.
Ichikawa, Yoshiyasu; Egawa, Haruka; Ito, Takashi; Isobe, Minoru; Nakano, Keiji; Kotsuki, Hiyoshizo.
Organic Letters 8 5737-5740 2006-
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High-pressure-promoted uncatalyzed cyanation of acetals using trimethylsilyl cyanide as a cyanide source in nitromethane.
Kumamoto, Koji; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Synlett 1968-1970 2006-
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A New Approach to the Neoglycopeptides: Synthesis of Urea- and Carbamate-Tethered N-Acetyl-D-glucosamine Amino Acid Conjugates.
Ichikawa, Yoshiyasu; Ohara, Fumiyo; Kotsuki, Hiyoshizo; Nakano, Keiji.
Organic Letters 8 5009-5012 2006-
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Synthesis of (-)-Agelastatin A by [3.3] sigmatropic rearrangement of allyl cyanate
ICHIKAWA Yoshiyasu, YAMAOKA Tomonori, NAKANO Keiji, KOTSUKI Hiyoshizo
Organic Letters 9 2989-2992 2007-
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Stereocontrolled synthesis of cytotoxic anhydrosphingosine pachastrissamine by using [3.3] sigmatropic rearrangement of allyl cyanate
Y, Ichikawa, K. Matsunaga, T. Masuda, H. Kotsuki, K. Nakano
Tetrahedron 64 11313-11318 2008-
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Microwave-assisted and Ln(OTf)3-catalyzed homo-conjugate addition of N-heteroaromatics to activated cyclopropane derivatives
U, Md. Imam, A. Mimoto, K. Nakano, Y. Ichikawa, H Kotsuki
Tetrahedron Letters 49 5863-5870 2008-
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A Novel Method for the High-Pressure-Promoted, Uncatalyzed Aza-Michael Reaction of Nitrogen Heterocycles with Enones in Water
Md. I. Uddin, K. Nakano, Y. Ichikawa, H. Kotsuki
Synlett 1042 2008-
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Synthesis and structure of one-dimensional linear copper (II) coordination polymer bridged by dicyclopentanopyrazine
NAKANO Keiji, MIYATA Kengo, KITAMURA Masato
Heterocycles 74 239-243 2008-
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Development of new DMAP-related organocatalysts for use in the Michael addition reaction of β-ketoesters in water
Ko, Kyungmin; Nakano, Keiji; Watanabe, Shigeru; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Tetrahedron Letters 50 4025-4029 2009-
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Stereoselective synthesis of syn- and anti-1,2-aminoalcohols using iridium-catalyzed allylic amination reactions
Ichikawa, Yoshiyasu; Yamamoto, Shun-Ichi; Kotsuki, Hiyoshizo; Nakano, Keiji
Synlett 14 2281-2286 2009-
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High-pressure organic chemistry. Part 35. Efficient organocatalytic hetero-Diels-Alder reactions of activated ketones under high pressure for direct access to δ-lactones
Mori, Kaori; Maddaluno, Jacques; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Synlett 2009 2346-2350 2009-
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Efficient Bronsted acid-catalyzed aza-Michael reaction of amides and ureas with α,β -unsaturated enones under high-pressure conditions
S. Azad, T. Kobayashi, K. Nakano, Y. Ichikawa, H. Kotsuki,
Tetrahedron Letters 50 (48) 50 2009-
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An efficient synthesis of carbamates by tin-catalyzed transcarbamoylation reactions of primary and secondary alcohols
Ichikawa, Yoshiyasu; Morishita, Yukinori; Kusaba, Shuhei; Sakiyama, Naoto; Matsuda, Yasunori; Nakano, Keiji; Kotsuki, Hiyoshizo
Synlett 2010 1815-1818 2010-
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High-pressure organic chemistry. Part 36. Organocatalytic asymmetric Diels-Alder reaction of furan under high pressure
Mimoto, Akiko; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Heterocycles 80 799-804 2010-
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A New Powerful Strategy for the Organocatalytic Asymmetric Construction of a Quaternary Carbon Stereogenic Center
Inokoishi, Yogo; Sasakura, Niiha; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Organic Letters 12 1616-1619 2010-
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Anomeric Effect of the Nitrogen Atom in the Isocyano and Urea Groups
Ichikawa, Yoshiyasu; Watanabe, Hitomi; Kotsuki, Hiyoshizo; Nakano, Keiji
Eur. J. Org. Chem 33 6331-6337 2010-
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Synthesis of Glycocinnasperimicin D
Nishiyama, Taihei; Kusumoto, Yoshifumi; Okumura, Ken; Hara, Kanako; Kusaba, Shohei; Hirata, Keiko; Kamiya, Yukihiro; Isobe, Minoru; Nakano, Keiji; Kotsuki, Hiyoshizo; Ichikawa, Yoshiyasuu
Chemistry--A European Journal 16 600-6010 2010-
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Asymmetric Synthesis of (+)-Geranyllinaloisocyanide: Assignment of Absolute Stereochemistry
chikawa, Yoshiyasu; Matsuda, Yasunori; Okumura, Ken; Nakamura, Mitsuhiro; Masuda, Toshiya; Kotsuki, Hiyoshizo; Nakano, Keiji
Organic Letters 13 2520-2523 2011-
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Synthesis of urea and Carbamate Glycosides Employing Unprotected Carbohydrates
Ichikawa, Yoshiyasu; Kusaba, Shohei; Minami, Takahiro; Tomita, Yumiko; Nakano, Keiji; Kotsuki, Hiyoshizo
Synlett 1462-1466 2011-
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High-pressure organic chemistry. 37. Organocatalytic asymmetric hetero-Diels-Alder reaction of oxindoles under high pressure
Mori, Kaori; Yamauchi, Tomoyuki; Maddaluno, Jacques; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Synlet 2080-2084 2011-
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Synthesis of manzacidin A and C: Efficient construction of quaternary carbon stereocenters bearing nitrogen substituents.
Ichikawa, Y.; Okumura, K.; Matsuda, Y.; Hasegawa, T.; Nakamura, M.; Fujimoto, A.; Masuda, T.; Nakano, K.; Kotsuki, H.
Organic and Biomolecular Chemistry 10 614-622 2012-
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Aminohydroxyacetone synthons: Versatile intermediates for the organocatalytic asymmetric aldol reaction.
Komatsu, Y.; Watanabe, R.; Ikishima, H.; Nakano, K.; Ichikawa, Y.; Kotsuki, H.
Organic and Biomolecular Chemistry 10 2993-3001 2012-
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es promoted by a chiral thiourea/PPY dual-catalyst system.
Moritaka, M.; Miyamae, N.; Nakano, K.; Ichikawa, Y.; Kotsuki, H.
Synlett 23 2554-2558 2012-
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A new environmentally friendly method for the Baeyer-Villiger oxidation of cyclobutanones catalyzed by thioureas using H 2O 2 as an oxidant.
Sasakura, N.; Nakano, K.; Ichikawa, Y.; Kotsuki, H.
RSC Advances 2 6135-6139 2012-
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A biomimetic approach to terpenes isolated from marine sponges: a Ugi coupling reaction in a hypothetical biosynthesis
Saito, Kenta; Nishimori, Ayumu; Kotsuki, Hiyoshizo; Nakano, Keiji; Ichikawa, Yoshiyasu
Synlett 24 757-761 2013-
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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
m European Journal of Organic Chemistry 2013 7041-7043 2013-
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High-?pressure organic chemistry. Part 38. Efficient organocatalytic Michael addition reaction of β-?keto esters under high pressure
Moritaka, Maya; Nakano, Keiji; Ichikawa, Yoshiyasu; Kotsuki, Hiyoshizo
Heterocycles 87 2351-2360 2013-
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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, N., Watanabe, N., Moritaka, M., Nakano, K., Ichikawa, Y., Kotsuki, H.
Organic and Biomolecular Chemistry 12 5847-5855 -
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Protecting group free synthesis of urea-linked glycoconjugates: Efficient synthesis of β-urea glycosides in aqueous solution
Ichikawa, Y., Minami, T., Kusaba, S., Saeki, N., Tonegawa, Y., Tomita, Y., Nakano, K., Kotsuki, H., Masuda, T.
Organic and Biomolecular Chemistry 12 3924-3931 -
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Organocatalytic friedel-crafts benzylation of heteroaromatic and aromatic compounds via an SN1 pathway
Watanabe, N., Matsugi, A., Nakano, K., Ichikawa, Y., Kotsuki, H.
Synlett 25 438-442 -
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アルドール化合物の構造化学
NAKANO Keiji, KITAMURA Masato
有機合成化学協会誌 65 (6) 552-562 2007-
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Synthesis of Conagenin and α-Methylserine. A Review
K. Nakano, H. Kotsuki, Y. Ichikawa
Organic Preparations and Procedure Int. 40 67 2008-
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SYNTHESIS OF CONAGENIN AND !-METHYLSERINE. A REVIEW
NAKANO Keiji, KOTSUKI Hyoshizo, ICHIKAWA Yoshiyasu
ORGANIC PREPARATIONS AND PROCEDURES INT 40 (1) 67-91 2008-
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