論文 - 長南 幸安
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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年09月
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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年11月
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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年10月
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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年06月
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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年02月
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Diastereoselectivity of the Conjugate Addition of Organocopper Reagents to gamma-Alkoxy alpha,beta-Unsaturated Carbonyl Derivatives. Importance of the Reagents Type and the Double-Bond Geometry
Y. Yamamoto, Y. Chounan, S. Nishii, T. Ibuka, H. Kitahara
Journal of The American Chemical Society 114 ( 20 ) 7652 - 7660 1992年09月
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"Higher Order" Zinc Cuprates Involving Lithium Chloride: Synthesis of (E)-Alkene Dipeptide Isosteres Free from Reductive Elimination Products
T. Ibuka, H. Yoshizawa, H. Habashita, N. Fujii, Y. Chounan, M. Tanaka, Y. Yamamoto
Tetrahedron Letters 33 ( 26 ) 3783 - 3786 1992年06月
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Higher Order Zinc Cuprate Reagents. Very High 1,3-Chirality Transfer Reaction of gamma-(Mesyloxy)-alpha,beta-unsaturated Carbonyl Derivatives
Y. Yamamoto, Y. Chounan, M. Tanaka, T. Ibuka
The Journal of Organic Chemistry 57 ( 3 ) 1024 - 1026 1991年01月