sodium triacetoxyborohydride quench

  • Development of a Leuckart–Wallach Reaction in Flow for the

    Aug 16, 2017 (5) A process using sodium triacetoxyborohydride was initially The aqueous NaOH wash was to quench and remove the formic acid.

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  • Reductive Amination, and How It Works – Master Organic Chemistry

    Sep 1, 2017 After the imine is formed, it must be reduced to the amine. It's possible to use the familiar reducing agent sodium borohydride (NaBH4) for this 

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  • Sodium triacetoxyborohydride - Organic Chemistry Portal

    Sodium triacetoxyborohydride is especially suitable for reductive aminations. Since the reaction rate for the reduction of iminium ions is much faster than for 

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  • Development of a Bulk Enabling Route to Maraviroc (UK-427,857), a

    carried out using sodium triacetoxyborohydride in DCM. The amine 4 could be quench of the borane reduction of 26, the process was amended to include 

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  • Sodium triacetoxyborohydride - Wikipedia

    Sodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula 

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  • Structure Guided Lead Generation toward Nonchiral M. tuberculosis

    Mar 6, 2018 and sodium triacetoxyborohydride (1.5−4 equiv) in dry 1,2- mixture was stirred at 0 °C for 1 h and quenched with 1 M HCl. (20 mL).

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  • Biotage® MP-Triacetoxyborohydride - Biotage

    A disadvantage of sodium triacetoxyborohydride is its poor solubility, and that product isolation requires an aqueous quench followed by liquid-liquid extraction  

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  • Lousy Reactions: Reader's Choice | In the Pipeline

    Mar 15, 2007 For the birch reduction, using sodium benzoate to quench the cyanoborohydride worked where sodium triacetoxyborohydride did not.

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  • Sodium triacetoxyborohydride - Wikipedia

    Sodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula 

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  • Reductive Alkylation of Aromatic Amines with Enol Ethers

    Feb 22, 2005 Key words. reductive alkylation - aromatic amines - 2-methoxypropene - trimethylsilylenol ethers - sodium triacetoxyborohydride 

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  • Reductive Amination With Sodium TriacetoxyborohydrideReductive

    Aug 26, 2013 Sodium triacetoxyborohydride is presented as a general reducing agent The reaction mixture was quenched by adding aqueous saturated 

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  • Boron Hydrides

    Jul 15, 2019 Sodium Cyanoborohydride — A Highly Selective Reducing Agent for Organic Functional Modified Borohydrides - Triacetoxyborohydride.

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  • Functionalization of Organotrifluoroborates: Reductive Amination

    Apr 16, 2008 Sodium triacetoxyborohydride (STAB) seemed an obvious choice as a selective reducing agent. In addition to its high level of selectivity, 

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  • Can anyone recommend a reliable procedure for the reduction of

    Currently I add 6M HCl to quench the reaction mixture and the amine is isolated as Amination of Aldehydes and Ketones with Sodium Triacetoxyborohydride.

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  • Ethan Frome - Dow

    The Sodium Borohydride Digest is an important part of our efforts to help users understand the attention to the method of quenching the reaction minimized.

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  • Synthesis of N-Substituted 3-Amino-4-halopyridines: A Sequential

    Jan 19, 2018 Sodium triacetoxyborohydride was used as the reducing agent for its The reaction mixture was quenched by the addition of 20 mL of 

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  • US9265840B2 - Conjugation process of bacterial polysaccharides

    1 molar equivalent of TAB (Sodium triacetoxyborohydride) was then added (13.7 mg) and after 17 hrs The pH was adjusted to the quenching pH (pH 9.0).

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  • Sodium triacetoxyborohydride - Organic Chemistry Portal

    Sodium triacetoxyborohydride is especially suitable for reductive aminations. Since the reaction rate for the reduction of iminium ions is much faster than for 

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  • Reductive Amination

    Sodium triacetoxyborohydride has been found to be a highly selective reducing agent for reductive amination; acetic acid is frequently employed as a proton donor 

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  • Reductive Polycondensation of Dialdehydes with Diamines - Nature

    Using Sodium Triacetoxyborohydride. Tatsuaki reported that sodium triacetoxyborohydride (NaBH- action mixture was quenched by adding a NaOH aque-.

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