A metal-free approach to carboxylic acids by oxidation of alkyl, aryl, or heteroaryl alkyl ketones or arylalkynes

KAA Kumar, V Venkateswarlu, RA Vishwakarma… - …, 2015 - thieme-connect.com
The metal-free oxidation of dialkyl, alkyl aryl, or alkyl heteroaryl ketones or arylalkynes to the
corresponding carboxylic acids is achieved using an oxidative mixture of Oxone and …

[HTML][HTML] From tandem to catalysis–organic solvent nanofiltration for catalyst separation in the homogeneously W-catalyzed oxidative cleavage of renewable methyl 9 …

J Vondran, M Peters, A Schnettger… - Catalysis Science & …, 2022 - pubs.rsc.org
Feasibility of oxidative cleavage of methyl oleate in a homogeneous reaction, facilitating the
subsequent recovery of the catalyst from a single phase, is a challenge. Using the high …

Methods of refining and producing fuel and specialty chemicals from natural oil feedstocks

SA Cohen, ML Luetkens Jr, C Balakrishnan… - US Patent …, 2014 - Google Patents
Methods are provided for refining natural oil feedstocks. The methods comprise reacting the
feedstock with a low-molecular-weight olefin or mid-weight olefin in the presence of a …

Size selectivity in the hydroxylation of esters of unsaturated fatty acids

U Azzena, M Carraro, L Pisano, E Pintus… - European Journal of …, 2022 - Wiley Online Library
The one‐pot two‐steps hydroxylation of fatty acid esters with H2O2 and acetic acid
catalyzed by acidic ion exchange resins is reinvestigated aiming to shed light on the …

Catalytic oxidation of fatty acids. I. Epoxidation of unsaturated fatty acids

ZP Pai, TB Khlebnikova, YV Mattsat… - Reaction Kinetics and …, 2009 - Springer
Unsaturated fatty acids and their derivatives were oxidized with aqueous hydrogen peroxide
in two-phase systems in the presence of homogeneous catalysts Q 3 {PO 4 [WO (O 2) 2] 4} …

Synthesis of mesoporous tungsten oxide/γ-alumina and surfactant-capped tungsten oxide nanoparticles and their catalytic activities in oxidative cleavage of oleic acid

AE Kerenkan, AS Ello, B Echchahed… - International Journal of …, 2016 - degruyter.com
Unsaturated fatty acids can be converted into mono and dicarboxylic acids, which are
applicably valuable materials, through oxidative cleavage reaction in the presence of a …

[HTML][HTML] New insights on the oxidation of unsaturated fatty acid methyl esters catalyzed by niobium (V) oxide. A study of the catalyst surface reactivity

CM Paraguassu Cecchi, D Cesarín-Sobrinho… - Catalysts, 2018 - mdpi.com
The catalytic properties of niobium (V) oxide (Nb2O5-CBMN) of different grades: amorphous,
optical and ultra-pure, untreated or heat-treated at 400, 500, 700 and 900° C were studied …

Methods of refining natural oils and methods of producing fuel compositions

BE Firth, SE Kirk, VS Gavaskar - US Patent 9,175,231, 2015 - Google Patents
3,351,566 3,507,890 4,210,771 4,465,890 4,554,065 4,943,396 4,992,605 5,043,485
5,091,116 5,095,169 5,113,030 5, 120,896 5,146,033 5, 191,145 5,262,076 5,264.606 …

Methods of refining and producing dibasic esters and acids from natural oil feedstocks

TE Snead, SA Cohen, DL Gildon - US Patent 9,000,246, 2015 - Google Patents
Methods are provided for refining natural oil feedstocks and producing dibasic esters and/or
dibasic acids. The methods comprise reacting a terminal olefin with an internal olefin in the …

[HTML][HTML] Oxidation of Long-Chain α-Olefins Using Environmentally-Friendly Oxidants

K Peckh, D Lisicki, G Talik, B Orlińska - Materials, 2020 - mdpi.com
Studies on the oxidation of α-olefins via the two-stage method are presented. The new
method consisted of oxidizing C30+ α-olefins with hydrogen peroxide (2 equiv.) and …