2009 Publications

1 Synthesis of antitumor marine alkaloid discorhabdin A oxa analogues.
Y. Wada, K. Otani, N. Endo, Y. Harayama, M. Yoshida, H. Fuijioka, Y. Kita
Org. Lett. 11, 4048-4850 (2009)
2009_001
2 Novel Regiocontrolled Protection of 1,2- and 1,3-Diols via Mild Cleavage of Methylene Acetals.
H. Fujioka, K. Senami, O. Kubo, K. Yahata, Y. Minamitsuji, T. Maegawa
Org. Lett. 11, 5138-5141 (2009)
2009_002
3 Clean and direct synthesis of a,a’-bithiophenes and bipyrroles by metal-free oxidative coupling using recyclable hypervalent iodin(III) reagents.
T. Dohi, K. morimoto, C. ogawa, F. Hiromichi, Y. Kita
Chem. Pharm. Bull. 57, 710-713 (2009)
4 Remarkable effect of 2,2’-bipyridyl: mild and highly chemoselective deprotection of methoxymethyl (MOM) ethers in combination with TMSOTf (TESOTf)-2,2’-bipyridyl
H. Fujioka, O. Kubo, K. Senami, Y. Minamitsuji, T. Maegawa
Chem. Commun. 29, 4429-4431 (2009)
2009_004
5 The first total synthesis of prianosin B; Wada Y, Otani K, Endo N, Harayama
Y, Kamimura D, Yoshida M, Fujioka H, Kita Y
Tetrahedron, 65 , 1059-1062 (2009).
2009_005
6 Tandem b-Enamino Ester Formation and Cyclization with o-Alkynyl Anilines Catalyzed by InBr3: Efficient Synthesis of b -(N-Indolyl)-a ,b -unsaturated EstersMurai K, Hayashi S, Takaichi N, Kita Y, Fujioka H
J. Org. Chem., 74, 1418 – 1421 (2009).
2009_006
7 Mild and Efficient Deprotection of Acetal-Type Protecting Groups of Hydroxyl Functions by Triethylsilyl Triflate-2,4,6-Collidine Combination;
Fujioka F, Kubo O, Okamoto K, Senami K, Okitsu T, Ohnaka T, Sawama Y, Kita Y
Heterocycles., 77, 1089-1103 (2009).
2009_007
8 Metal-Free Oxidative Cross-Coupling of Unfunctionalized Aromatic Compounds.
Kita Y, Morimoto K, Ito M, Ogawa C, Goto A, Dohi T
J. Am. Chem. Soc., 131, 1668-1669 (2009).
2009_008
9 A Highly Effidient Macrolactonization Method via Ethoxyvinyl Esters; Y. Ohba, M. Takatsuji, K. Nakahara, H. Fujioka, Y. Kita,
Chem. Eur. J., 15, 3526-3537 (2009).
2009_009
10 Hypervalent Iodine(III)/Et4N+Br- Combination in Water for Green and Racemization-Free Aqueous Oxidation of Alcohols
Takenaga N, Goto A, Yoshimura M, Fujioka H, Dohi T, Kita Y
Tetrahedron Lett.,50, 3227-3229 (2009)
11 Organic chemistry using weakly electrophilic salts: the reaction with nitrogen nucleophiles.
Fujioka, Hiromichi; Kubo, Ozora; Senami, Kento; Okamoto, Kazuhisa; Okitsu, Takashi; Kita, Yasuyuki.
Heterocycles  (2009),  79  1113-1120.
2009_011
12 Organoiodine-Catalyzed Oxidative Spirocyclization of Phenols using Peracetic Acid as a Green and Economic Terminal Oxidant.
Y. Minamitsuji, D. Kato, H. Fujioka, T. Dohi, Y. Kita
Aust. J. Chem. 62, 648-652, (2009)
2009_012
13 Hypervalent Iodine(III): Selective and Efficient Single-Electron-Transfer (SET) Oxidizing Agent
T. Dohi, M. Ito, N. Yamaoka, K. Morimoto, H. Fujioka, Y. Kita
Tetrahedron, 65, 10797-10815 (2009)

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総説

1 Hypervalent Iodine Reagents as a New Entrance to Organocatalysts
Dohi T, Kita Y
Chem. Commun., 2009, 2073-2085.
2 よりマイルドに!より選択的に!-アセタール脱保護の最前線-
久保 大空、 藤岡 弘道
化学, 64, 70-71, 2009
3 光学活性アセタール類を利用する遠隔位不斉誘導反応の開発と天然物不斉合成への応用 
(英文タイトル:Stereocontrol Between Remote Atom Centers Using Chiral Acetals and Its Application to Asymmetric Syntheses of Natural Products)
藤岡 弘道、 北 泰行
有機合成化学協会誌, 67, 606-617, 2009

十字路:Radical Initiators VA-061 and Va-044
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