Papers - CHOUNAN Yukiyasu
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電子不足型共役エンイン化合物の触媒的環化反応の研究
福士智子, 野上勉, 坪谷典枝, 山田恭之, 長南幸安, 斎藤慎一, 山本嘉則
弘前大学教育学部紀要 85 63 - 66 2001.3
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Allylation of ketones with allylstannanes catalyzed by Lewis acid-Lewis base combined reagents
R. Hamasaki, Y. Chounan, H. Horino, Y. Yamamoto
Tetrahedron Letters 41 ( 50 ) 9883 - 9887 2000.12
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超高圧法によるアリル錫を用いたカルボニル化合物のアリル化反応
野上勉, 板谷奈美, 長南幸安
弘前大学教育学部紀要 84 33 - 36 2000.10
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三重結合を導入したフタロシアニン金属錯体の合成
佐藤香織, 小林長夫, 長南幸安
弘前大学教育学部紀要 84 49 - 54 2000.10
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テトラフェニル,オクタエチルおよびテトラアザポルフィリン金属錯体の溶液および膜状態での主吸収ピークの位置について
佐藤香織, 小林長夫, 長南幸安
弘前大学教育学部紀要 84 43 - 48 2000.10
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パラジウム触媒による電子吸引基を有する共役エンイン化合物の芳香族環化反応
野上勉, 長南幸安, 福士智子, 山田恭之, 坪谷典枝, 斎藤慎一, 山本嘉則
弘前大学教育学部紀要 84 37 - 42 2000.10
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Enhanced Reactivity of Electron-Deficient Enynes in the Palladium-Catalyzed homo-Benzannulation of Conjugated Enynes
S. Saito, Y. Chounan, T. Nogami, T. Fukushi, N. Tsuboya, Y. Yamada, H. Kitahara, Y. Yamamoto
The Journal of Organic Chemistry 65 ( 17 ) 5350 - 5354 2000.8
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1,2-Asymmetric Induction in the Conjugate Addition of Organocopper Reagents to gamma-Aryl alpha, beta-Unsaturated Carbonyl Derivatives
Y. Chounan, Y. Ono, S. Nishii, H. Kitahara, S. Ito, Y. Yamamoto
Tetrahedron 56 ( 18 ) 2821 - 2831 2000.4
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A Chemical Scale for Evaluating the Electron Transfer Ability of Alkylcopper Reagents
Y. Yamamoto, Y. Chounan
Macromolecular Symposia 134 189 - 198 1999.11
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Palladium-catalyzed benzannulation of conjugated enynes. Enhanced reactivity of alkoxycarbonyl-and cyanoenynes
S. Saito, N. Tsuboya, Y. Chounan, T. Nogami, Y. Yamamoto
Tetrahedron Letters 40 ( 42 ) 7529 - 7532 1999.10
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ポルフィリン類似金属錯体の合成
長南幸安, 佐藤香織
弘前大学教育学部紀要 82 49 - 53 1999.10
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新規アリル化反応剤としてのトリアリルブチルスタナン
長南幸安, 野上勉
弘前大学教育学部紀要 82 55 - 60 1999.10
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A Chemical Scale for Evaluating the Electron Transfer Ability of Alkylcopper Reagents
Y. Chounan, H. Horino, T. Ibuka, Y. Yamamoto
Bulletin of the Chemical Society of Japan 70 ( 8 ) 1953 - 1959 1997.8
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Aza-Payne Rearrangement of Activated 2-Aziridinemethanols and 2,3-Epoxy Amines under Basic Conditions
T. Ibuka, K. Nakai, H. Habashita, Y. Hotta, A. Otaka, H. Tamamura, N. Fujii, N. Miura, Y. Miwa, T. Taga, Y. Chounan, Y. Yamamoto
The Journal of Organic Chemistry 60 ( 7 ) 2044 - 2058 1995.4
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Most Stable Conformer of 2-Phenylpropanal Elucidated by Supersonic Jet Spectroscopy
Y. Chounan, T. Ebata, Y. Yamamoto
Journal of The American Chemical Society 117 ( 11 ) 3167 - 3170 1995.3
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A Chemical Scale for Electron-transfer Ability of Methylcopper Reagents
Y. Chounan, T. Ibuka, Y. Yamamoto
Journal of the Chemical Society, Chemical Communications 1994 ( 17 ) 2003 - 2004 1994.9
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Unprecedented Rearrangement Reaction of 2-Aziridinemethanols with "Lower Order" Lithium Methylcyanocuprate
T. Ibuka, K. Nakai, H. Habashita, N. Fujii, F. Garrido, A. Mann, Y. Chounan, Y. Yamamoto
Tetrahedron Letters 34 ( 46 ) 7421 - 7424 1993.11
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Remarkable Difference in Reactivity of Ordinary Vinylcopper Reagents and Vinylzinc Halide Containing a Copper Salt towards gamma-Mesyloxy-alpha,beta-enoates. Synthesis of Homochiral 1,4-Dienes
T. Ibuka, K. Nakai, H. Habashita, K. Bessho, N. Fujii, Y. Chounan, Y. Yamamoto
Tetrahedron 49 ( 42 ) 9479 - 9488 1993.10
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SN2' Selective Alkylation of Allylic Chlorides and Mesylates with RZnX Reagents Generated from Grignard Reagents, Zinc Chloride, Lithium Chloride, and Cu(II)-Salts
N. Fujii, K. Nakai, H. Habashita, H. Yoshizawa, T. Ibuka, F. Garrido, A. Mann, Y. Chounan, Y. Yamamoto
Tetrahedron Letters 34 ( 26 ) 4227 - 4230 1993.6
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Syn-SN2' Pathway in the Reaction of Certain gamma-(Mesyloxy) alpha, beta-Enoates with RCu(CN)MgX・BF3 Reagents. Importance of MgX and Bulky R Group upon the Diastereoselectivity
T. Ibuka, T. Taga, H. Habashita, K. Nakai, H. Tamamura, N. Fujii, Y. Chounan, H. Nemoto, Y. Yamamoto
The Journal of Organic Chemistry 58 ( 5 ) 1207 - 1214 1993.2