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CAS: 902140-15-2
MF: C8H17NO3
MW: 175.22548
Synonyms:

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Yue-Fa Gong

Huazhong University of Science and Technology
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Shao-Hua Gou

Southeast University
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Co-reporter: Zhao Chunhong, Fei Liu, Shaohua Gou
pp: 278-283
Publication Date(Web):15 February 2014
DOI: 10.1016/j.tetasy.2013.12.017
A series of chiral N,N′-dialkyl-1,2-cyclohexanediamine derivatives were designed, synthesized, and applied as ligands in asymmetric copper(II)-catalyzed Henry reactions. The catalysts based on such ligands and copper(II) acetate were found to promote asymmetric Henry reactions between aromatic/aliphatic aldehydes and nitromethane efficiently, and could provide the corresponding β-nitroalcohols in very good yields and with enantioselectivities of up to 93.6%.Image for unlabelled figureGraphical absImg(1R,2R)-N1,N2-Diisopropylcyclohexane-1,2-diamineC12N26N2View the MathML source[α]D25=-25.8 (c 0.47, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Dibutylcyclohexane-1,2-diamineC14N30N2View the MathML source[α]D25=-56.9 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Diisobutylcyclohexane-1,2-diamineC14N30N2View the MathML source[α]D25=-78.3 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Dipentylcyclohexane-1,2-diamineC16N34N2View the MathML source[α]D25=-54.5 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Diisopentylcyclohexane-1,2-diamineC16N34N2View the MathML source[α]D25=-53.8 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Dineopentylcyclohexane-1,2-diamineC16N34N2View the MathML source[α]D25=-70.6 (c 0.4, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Didodecylcyclohexane-1,2-diamineC30N62N2View the MathML source[α]D25=-31.0 (c 0.6, MeOH)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Di-(2-butyl) cyclohexane-1,2-diamineC14N30N2View the MathML source[α]D25=-71.4 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Di(2-pentanyl)cyclohexane-1,2-diamineC16N34N2View the MathML source[α]D25=-82.3 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Di(2-hexanyl)cyclohexane-1,2-diamineC18N38N2View the MathML source[α]D25=-67.2 (c 0.6, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Di(3-pentanyl)cyclohexane-1,2-diamineC16N34N2View the MathML source[α]D25=-80.1 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Bis(4-methylpentan-2-yl)cyclohexane-1,2-diamineC18N38N2View the MathML source[α]D25=-69.8 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Bis(5-methylhexan-2-yl)cyclohexane-1,2-diamineC20N42N2View the MathML source[α]D25=-70.6 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)Graphical absImg(1R,2R)-N1,N2-Bis(3,5,5-trimethylhexyl)cyclohexane-1,2-diamineC24N50N2View the MathML source[α]D25=-37.8 (c 0.5, H2O)Source of chirality: The precursorAbsolute configuration: (1R,2R)

Hongchao Guo

China Agricultural University
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Shangzhong Liu

China Agricultural University
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Min Wang

China Agricultural University
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Qinghua Bian

China Agricultural University
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Jiangchun Zhong

China Agricultural University
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Ming-An Wang

China Agricultural University
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