Ni-SMTU@boehmite: as an efficient and recyclable nanocatalyst for oxidation reactions

RSC Advances ◽  
2016 ◽  
Vol 6 (61) ◽  
pp. 56458-56466 ◽  
Author(s):  
Arash Ghorbani-Choghamarani ◽  
Parisa Moradi ◽  
Bahman Tahmasbi
Keyword(s):  
Catalytic Activity ◽  
Selective Oxidation ◽  
Nickel Catalyst ◽  
Oxidative Coupling ◽  
Oxidation Reactions ◽  
Oxidation Of Sulfides ◽  
Boehmite Nanoparticles ◽  
Organometallic Catalyst

An efficient heterogenized nickel catalyst on boehmite nanoparticles was synthesized and characterized. The catalytic activity of this organometallic catalyst was examined in the selective oxidation of sulfides and oxidative coupling of thiols.

Anderson polyoxometalate built-in covalent organic frameworks for enhancing catalytic performances

2020 ◽  
Vol 8 (17) ◽  
pp. 8548-8553 ◽  
Author(s):  
Rui Ma ◽  
Naifang Liu ◽  
Ting-Ting Lin ◽  
Tianbo Zhao ◽  
Sheng-Li Huang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Selective Oxidation ◽  
Covalent Organic Frameworks ◽  
Oxidation Of Sulfides ◽  
Catalytic Performances

Anderson polyoxometalate-based covalent organic frameworks exhibited the highest catalytic activity in the photodegradation of RhB and MB, as well as 100% selective oxidation of sulfides to sulfoxides.

scholarly journals Site-Selective Palladium-Catalyzed Oxidation of Glucose in Glycopeptides

2021 ◽  
Author(s):  
Niels R.M. Reintjens ◽  
Liubov Yakovlieva ◽  
Nittert Marinus ◽  
Johan Hekelaar ◽  
Francesca Nuti ◽  
...  
Keyword(s):  
Selective Oxidation ◽  
Complex Mixture ◽  
Side Reaction ◽  
Amino Acid Residues ◽  
Oxidation Reactions ◽  
Palladium Catalyzed ◽  
Novel Method ◽  
Site Selective ◽  
Organometallic Catalyst ◽  
Oxidation Of Glucose

<p>Here we report a novel method of site-selective oxidation of glucose moieties on individual glycopeptides and on a mixture of tryptic glycopeptides. The organometallic catalyst [(neocuproine)PdOAc]<sub>2</sub>OTf<sub>2</sub>, that was previously shown to perform regioselective C3-oxidation of glucosides, was used in the scope of this work. The selectivity of the catalyst towards glucose and the sensitivity of specific amino acid residues to oxidation was explored by screening a select panel of glycopeptides in the oxidation reactions. We reveal that glucosylated peptides are more readily oxidized compared to galactosylated peptides, and Thr/Ser-oxidation is a concomitant side-reaction. The oxidation methodology was also applied to the complex mixture of tryptic glucopeptides that was generated from the fragment of <i>Haemophilus influenzae</i> adhesin glycoprotein. The resulting keto-group of the glucose was further transformed into an oxime functionality, which allows introduction of various groups of interest. The methodology outlined in this work will allow to perfrom late-stage modification of glucopeptides as well as selective oxidation and functionalization of tryptic glucopeptides for proteomics analysis. </p>

An isotetramolybdate-supported rhenium carbonyl derivative: synthesis, characterization, and use as a catalyst for sulfoxidation

2018 ◽  
Vol 47 (15) ◽  
pp. 5279-5285 ◽  
Author(s):  
Jingkun Lu ◽  
Xinyi Ma ◽  
Vikram Singh ◽  
Yujiao Zhang ◽  
Pengtao Ma ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Selective Oxidation ◽  
Reaction Conditions ◽  
Carbonyl Derivative ◽  
Oxidation Of Sulfides ◽  
Rhenium Carbonyl

We successfully synthesized an isotetramolybdate-supported rhenium carbonyl derivative, [(CH3)4N]4[{Re(CO)3}4(Mo4O16)]·H2O, which showed excellent catalytic activity in the selective oxidation of sulfides under comparatively mild reaction conditions.

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