Facile and effective approach for oxidation of boronic acids

Wagh, Ravindra B.; Nagarkar, Jayashree M.

doi:10.1016/j.tetlet.2017.10.059

Cited by 19 publications

(15 citation statements)

References 29 publications

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“…In 2017, Nagarkar and co‐workers developed a facile and effective approach using dimethyl carbonate (DMC) as solvent for the oxidation of boronic acids (Scheme ) . The reaction was operated at room temperature with H 2 O 2 as the oxidant.…”

Section: Catalyst‐free Conversion Of Aryl Boronic Compounds To Phementioning

confidence: 99%

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Recent Advances in Green Synthesis of Functionalized Phenols from Aromatic Boronic Compounds

et al. 2019

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Phenol and its derivatives are fundamental building blocks in organic synthesis and materials science. Over the past decades, tremendous attention has been paid to construct functionalized phenols, and various methods have been developed. Owing to the high efficiency and mild reaction conditions, synthesis of phenols from the hydroxylation of aryl boronic compounds has been emerging as a promising approach. In this review, we summarize the progress using aryl boronic compounds as starting reagents to synthesize phenol deriva- [a]

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Section: Catalyst‐free Conversion Of Aryl Boronic Compounds To Phementioning

confidence: 99%

“…Plausible mechanism for hydroxylation reaction in dimethyl carbonate with H 2 O 2 . Adapted from ref . Copyright (2017), with permission from Elsevier.…”

Section: Catalyst‐free Conversion Of Aryl Boronic Compounds To Phementioning

confidence: 99%

Recent Advances in Green Synthesis of Functionalized Phenols from Aromatic Boronic Compounds

et al. 2019

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“…Hydrogen peroxide is cheap and easily available green oxidant which forms water as the only byproduct. In continuation of our earlier research work, [21] herein, we report simple and effective method for oxidation of aldehyde to carboxylic acid compounds using DES, Choline chloride:Urea (ChCl:Urea) as a solvent and H 2 O 2 as an oxidant at 50°C. The present method is simple, easy to handle and most importantly follows principles of green chemistry.…”

mentioning

confidence: 90%

Highly Efficient and Selective Method for Oxidation of Aldehydes to Carboxylic Acids

2018

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An efficient and green method has been developed for oxidation of aldehydes to carboxylic acids by employing deep eutectic solvent (DES) (ChCl:Urea) as a green solvent in the presence of H2O2 as an oxidant at ambient temperature. Numerous aldehydes were oxidized to give corresponding carboxylic acids with exceptional conversion and selectivity under catalyst free conditions. Sustainable approach, use of green solvent (ChCl:Urea) and good to excellent yield of products make this method greener and unconventional over other reported procedures.

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“…Catalyst-free ipso-hydroxylation reaction has gained attraction in this regard. PEG-400, 23 lactic acid, 24 WERSA (Water Extract of Rice Straw Ashes) 25 and dimethyl carbonate 26 have been employed as reaction media for the catalyst-free ipsohydroxylation reaction with H 2 O 2 as the oxidant. However, the storage and transportation of H 2 O 2 need additional safety measures.…”

Section: Introductionmentioning

confidence: 99%