A tunable precious metal-free system for selective oxidative esterification of biobased 5-(hydroxymethyl)furfural

2019 ◽  
Vol 21 (12) ◽  
pp. 3464-3468 ◽  
Author(s):  
Kirill S. Kozlov ◽  
Leonid V. Romashov ◽  
Valentine P. Ananikov
Keyword(s):  
Precious Metal ◽  
Free System ◽  
Oxidative Esterification ◽  
Metal Free ◽  
Hydroxymethyl Furfural ◽  
System P

Oxidative esterification of biomass-derived 5-(hydroxymethyl) furfural (HMF) and furfural and their derivatives has been performed using a simple MnO2/NaCN system.

Dehydroxylated amination accompanied by 1,2-sulfur immigration

2019 ◽  
Vol 6 (5) ◽  
pp. 643-647 ◽  
Author(s):  
Yong Cui ◽  
Tao Lu ◽  
Zhihao Shi ◽  
Jie Feng
Keyword(s):  
Free System ◽  
Group Participation ◽  
Metal Free ◽  
System P ◽  
Neighbouring Group Participation

A sulfur neighbouring-group participation N-alkylation method is presented, which enables the simultaneous C–O cleavage, C–S immigration and C–N formation performed in a metal free system.

Selective Oxidation of Alcohols Catalyzed by a Transition Metal-Free System of NHPI/DDQ/NaNO2

2011 ◽  
Vol 32 (1) ◽  
pp. 118-122 ◽  
Author(s):  
Lipeng ZHOU ◽  
Chaofeng ZHANG ◽  
Tao FANG ◽  
Bingbing ZHANG ◽  
Ying WANG ◽  
...  
Keyword(s):  
Transition Metal ◽  
Selective Oxidation ◽  
Free System ◽  
Metal Free ◽  
Oxidation Of Alcohols

Metal free decarboxylative aminoxylation of carboxylic acids using a biphasic solvent system

2021 ◽  
Vol 19 (1) ◽  
pp. 273-278
Author(s):  
Göran Schulz ◽  
Andreas Kirschning
Keyword(s):  
Carboxylic Acids ◽  
Solvent System ◽  
Radical Scavenger ◽  
Synthetic Approach ◽  
Metal Free ◽  
System P

The oxidative radical decarboxylation of carboxylic acids with TEMPO as radical scavenger in a biphasic solvent system is reported which is successfully used in a new synthetic approach for the antidepressants indatraline.

Transition metal free, green and facile halogenation of ketene dithioacetals using a KX–oxidant system

2021 ◽  
Author(s):  
Vishakha Rai ◽  
Ganesh Shivayogappa Sorabad ◽  
Mahagundappa Rachappa Maddani
Keyword(s):  
Transition Metal ◽  
Ambient Temperature ◽  
Metal Free ◽  
Ketene Dithioacetals ◽  
System P ◽  
Oxidative Halogenation ◽  
Potassium Halide

A facile oxidative halogenation of α-oxo ketene dithioacetals is achieved by using a potassium halide and an oxidant combination under transition metal free conditions at ambient temperature.

Cathodic Corrosion Activated Fe-based Nanoglass as Highly-Active and -Stable Oxygen Evolution Catalyst for Water Splitting

2021 ◽  
Author(s):  
Kaiyao Wu ◽  
Fei Chu ◽  
Yuying Meng ◽  
Kaveh Edalati ◽  
Qingsheng Gao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Amorphous Alloys ◽  
Precious Metal ◽  
Active Sites ◽  
Metal Free ◽  
Highly Active ◽  
Stable Oxygen ◽  
Surface Active

Transition metal-based amorphous alloys have attracted increasing attention as precious-metal-free electrocatalysts for oxygen evolution reaction (OER) of water splitting due to their high macro-conductivity and abundant surface active sites. However,...

Hydrogen evolution reaction highly electrocatalyzed by MWCNT/N-octylpyridinum hexafluorophosphate metal-free system

2021 ◽  
Vol 372 ◽  
pp. 137859
Author(s):  
Leyla Gidi ◽  
Roxana Arce ◽  
José Ibarra ◽  
M. Isaacs ◽  
M.J. Aguirre ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Free System ◽  
Metal Free

scholarly journals Cover Picture: Metal-Free Dehydration of Glucose to 5-(Hydroxymethyl)furfural in Ionic Liquids with Boric Acid as a Promoter (Chem. Eur. J. 5/2011)

2011 ◽  
Vol 17 (5) ◽  
pp. 1369-1369 ◽  
Author(s):  
Tim Ståhlberg ◽  
Sergio Rodriguez-Rodriguez ◽  
Peter Fristrup ◽  
Anders Riisager
Keyword(s):  
Ionic Liquids ◽  
Boric Acid ◽  
Metal Free ◽  
Hydroxymethyl Furfural

Selective oxidation of 5-hydroxymethyl furfural over non-precious metal heterogeneous catalysts

2016 ◽  
Vol 180 ◽  
pp. 751-757 ◽  
Author(s):  
Florentina Neațu ◽  
Roxana Simona Marin ◽  
Mihaela Florea ◽  
Nicoleta Petrea ◽  
Octavian Dumitru Pavel ◽  
...  
Keyword(s):  
Selective Oxidation ◽  
Precious Metal ◽  
Heterogeneous Catalysts ◽  
Hydroxymethyl Furfural
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