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Soai, K., Yokoyama, S. and Mochida, K. (1987) Reduction of Symmetric and Mixed Anhydrides of Carboxylic Acids by Sodium Borohydride with Dropwise Addition of Methanol. Synthesis, 1987, 647-648.
https://doi.org/10.1055/s-1987-28035

has been cited by the following article:

• TITLE: Chemoselective Reduction of Fenofibric Acid to Alcohol in the Presence of Ketone by Mixed Anhydride and Sodium Borohydride

  AUTHORS: Greesha N. Majethia, Wahajul Haq, Ganesaratnam K. Balendiran

  KEYWORDS: Chemoselective, Reduction of Carboxylic Acid, Sodium Borohydride, Mixed Anhydride

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.12 No.2, June 30, 2022

  ABSTRACT: A highly efficient and facile protocol for the selective reduction of carboxylic acid of Fenofibric acid to corresponding alcohol was developed. The selective reduction was carried out by activation of carboxylic acid by mixed anhydride followed by the reaction of sodium borohydride in presence of methanol. This is the first example of chemoselective reduction of carboxylic acid to alcohol in presence of a ketone without any external catalyst or ligand in a single step. The reaction offers wide applicability for the selective carboxylic group reduction methodology. The chemoselective reduction was demonstrated by the reduction of Fenofibric acid, an active metabolite of the drug Fenofibrate, to corresponding alcohol in excellent selectivity, yield, and purity.