Synthetic utility of metal catalyzed hydrogen peroxide oxidation of C-H, C-C and C=C bonds in alkanes, arenes and alkenes: Recent advances

Abstract

This review presents the current state of the art of homogenic and heterogenic oxygen transfer processes using hydrogen peroxide as oxygen source and compounds and complexes of tranisition metals, Fe, V, Cu, Mn, Rh, Mo, Ti, W, Pd, Os, Zr, Cr, Nb, Co, as the catalysts. Based on the reactions of C-H, C-C and C=C bonds in alkanes, arenes and alkenes various mechanisms of the oxygen-transfer processes are discussed and new methodologies for synthesis of alcohols, phenols, aldehydes, ketones, epoxides and carboxylic acids are indicated.

Liquid-Phase Epoxidation of Light Olefins over W and Nb Nanocatalysts

“…Interest in epoxidation of olefins has been amplified because it provides a straightforward access to various active epoxides as industrially important intermediates and essential building blocks for everyday chemicals. Epoxides are among the most versatile and tremendously useful precursors in organic synthesis. − They are key components for the synthesis of a variety of valuable downstream products such as diols, aminoalcohols, allylic alcohols, ketones, polyethers, etc., − which can be further transformed to surfactants, antistatic or corrosion protecting agents, plasticizers, and additives for laundry detergents, lubricating oils, textiles, cosmetics, epoxy resins, and complex molecules used to manufacture air-craft hulls, perfumes, and pharmaceuticals activities. − Due to the strain associated with the three membered ring, epoxides are spring-loaded for reactions with different nucleophiles, leading to a wide range of multifunctional organic compounds . Therefore, the catalysis community has been fascinated with prospects of selective synthesis of epoxides by olefin epoxidation. − …”

Mechanochemical Functionalization of Mesoporous Carbons for the Catalytic Transformation of trans-Ferulic Acid into Vanillin

“…Materials calcined at 300 and 400 °C, presenting higher BET surface values, provided lower vanillin selectivity values as compared to materials calcined at 500 °C, which could be due to the presence of most carbonaceous support providing a material with higher hydrophobicity (resulting in lower interaction between the active centers of the catalyst and the reaction mixture). 41 No general trends could be observed for Cu-or Fe-containing materials with the exception of the aforementioned improved vanillin selectivity for higher temperature calcined materials (500 °C); most of the carbonaceous support was removed (ca. 70%, TG-DTA, results not shown) (Table 2).…”

An Overview of Saturated Cyclic Ethers: Biological Profiles and Synthetic Strategies

“…Oxidation of alkenes is a general strategy to provide epoxides. Peroxy acids, such as hydrogen peroxide (H 2 O 2 ) and meta -chloroperoxybenzoic acid (mCPBA), are commonly used oxidizing agents [36,37,38,39].…”