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Michael C. Willis – One of the best experts on this subject based on the ideXlab platform.

  • Direct catalytic diastereoselective Mannich reactions: the synthesis of protected α-hydroxy-β-Aminoketones
    Tetrahedron-asymmetry, 2009
    Co-Authors: Nikki E. Stainforth, Gary A. Cutting, Matthew P. John, Michael C. Willis

    Abstract:

    Abstract The combination of Mg(ClO 4 ) 2 , 2,2′-bipyridine and N -methylmorpholine generates an effective catalyst system for the direct addition of α-carbonate-substituted ketones to aryl N -Ts imines. Methyl-carbonate-substituted ketones deliver acyclic α-hydroxy-β-Aminoketone derivates, while ketones substituted with α- iso -propenyl-carbonates furnish cyclic carbamate adducts. In both cases the anti -configured Mannich products dominate.

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  • Direct catalytic diastereoselective Mannich reactions: the synthesis of protected α-hydroxy-β-Aminoketones
    Tetrahedron: Asymmetry, 2009
    Co-Authors: Nikki E. Stainforth, Gary A. Cutting, Matthew P. John, Michael C. Willis

    Abstract:

    The combination of Mg(ClO4)2, 2,2′-bipyridine and N-methylmorpholine generates an effective catalyst system for the direct addition of α-carbonate-substituted ketones to aryl N-Ts imines. Methyl-carbonate-substituted ketones deliver acyclic α-hydroxy-β-Aminoketone derivates, while ketones substituted with α-iso-propenyl-carbonates furnish cyclic carbamate adducts. In both cases the anti-configured Mannich products dominate. © 2009 Elsevier Ltd. All rights reserved

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Nikki E. Stainforth – One of the best experts on this subject based on the ideXlab platform.

  • Direct catalytic diastereoselective Mannich reactions: the synthesis of protected alpha-hydroxy-beta-Aminoketones
    'Elsevier BV', 2009
    Co-Authors: Nikki E. Stainforth, Ga Cutting, Mp John, Mc Willis

    Abstract:

    The combination of Mg(ClO4)2, 2,2′-bipyridine and N-methylmorpholine generates an effective catalyst system for the direct addition of α-carbonate-substituted ketones to aryl N-Ts imines. Methyl-carbonate-substituted ketones deliver acyclic α-hydroxy-β-Aminoketone derivates, while ketones substituted with α-iso-propenyl-carbonates furnish cyclic carbamate adducts. In both cases the anti-configured Mannich products dominate. © 2009 Elsevier Ltd. All rights reserved

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  • Direct catalytic diastereoselective Mannich reactions: the synthesis of protected α-hydroxy-β-Aminoketones
    Tetrahedron-asymmetry, 2009
    Co-Authors: Nikki E. Stainforth, Gary A. Cutting, Matthew P. John, Michael C. Willis

    Abstract:

    Abstract The combination of Mg(ClO 4 ) 2 , 2,2′-bipyridine and N -methylmorpholine generates an effective catalyst system for the direct addition of α-carbonate-substituted ketones to aryl N -Ts imines. Methyl-carbonate-substituted ketones deliver acyclic α-hydroxy-β-Aminoketone derivates, while ketones substituted with α- iso -propenyl-carbonates furnish cyclic carbamate adducts. In both cases the anti -configured Mannich products dominate.

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  • Direct catalytic diastereoselective Mannich reactions: the synthesis of protected α-hydroxy-β-Aminoketones
    Tetrahedron: Asymmetry, 2009
    Co-Authors: Nikki E. Stainforth, Gary A. Cutting, Matthew P. John, Michael C. Willis

    Abstract:

    The combination of Mg(ClO4)2, 2,2′-bipyridine and N-methylmorpholine generates an effective catalyst system for the direct addition of α-carbonate-substituted ketones to aryl N-Ts imines. Methyl-carbonate-substituted ketones deliver acyclic α-hydroxy-β-Aminoketone derivates, while ketones substituted with α-iso-propenyl-carbonates furnish cyclic carbamate adducts. In both cases the anti-configured Mannich products dominate. © 2009 Elsevier Ltd. All rights reserved

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Adinath Majee – One of the best experts on this subject based on the ideXlab platform.

  • Self-Catalyzed Rapid Synthesis of N-Acylated/N-Formylated α-Aminoketones and N-Hydroxymethylated Formamides from 3-Aryl-2H-Azirines and 2-Me/Ph-3-Aryl-2H-Azirines
    Organic letters, 2020
    Co-Authors: Sougata Santra, Grigory V. Zyryanov, Adinath Majee

    Abstract:

    A rapid and effective method has been established for the synthesis of N-acylated α-Aminoketone derivatives by the reaction of 3-aryl-2H-azirines and highly substituted 2-Me/Ph-3-aryl-2H-azirines w…

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