Synthesis of novel chiral tridentate aminophenol ligands for enantioselective addition of diethylzinc to aldehydes
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作者:
Yang, Xiao-Feng
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Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
Univ Jinan, Dept Chem Engn, Jinan 250022, Shandong, Peoples R ChinaSaitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
Yang, Xiao-Feng
[1
,2
]
Hirose, Takuji
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Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, JapanSaitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
Hirose, Takuji
[1
]
Zhang, Guang-You
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Univ Jinan, Dept Chem Engn, Jinan 250022, Shandong, Peoples R ChinaSaitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
Zhang, Guang-You
[2
]
机构:
[1] Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan
[2] Univ Jinan, Dept Chem Engn, Jinan 250022, Shandong, Peoples R China
Novel chiral tridentate aminophenol ligand (S)-3a was obtained by a Mannich-type reaction of cresol, paraformaldehyde, and (S)-1-(2-metboxyplienyl)-2-methylpropan-1-amine followed by a deprotection step. This tridentate aminophenol ligand shows high yield and enantioselectivity in the diethylzinc additions to a broad range of substrates, including alkyl, aryl, and alpha,beta-unsaturated aldehydes. (C) 2008 Elsevier Ltd. All rights reserved.
机构:
Shaheed Beheshti Univ, Med Plants & Drugs Res Inst, Dept Phytochem, GC, Tehran 1983963113, IranShaheed Beheshti Univ, Med Plants & Drugs Res Inst, Dept Phytochem, GC, Tehran 1983963113, Iran
Salehi, P.
Dabiri, M.
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Shaheed Beheshti Univ, Fac Sci, Dept Chem, GC, Tehran 1983963113, IranShaheed Beheshti Univ, Med Plants & Drugs Res Inst, Dept Phytochem, GC, Tehran 1983963113, Iran
Dabiri, M.
Kozehgary, G.
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Shaheed Beheshti Univ, Fac Sci, Dept Chem, GC, Tehran 1983963113, IranShaheed Beheshti Univ, Med Plants & Drugs Res Inst, Dept Phytochem, GC, Tehran 1983963113, Iran