ChemInform Abstract: ACTIVATION OF MOLECULAR OXYGEN BY MONOVALENT COPPER SALTS- REARRANGEMENT OF ALCOHOLS INTO ALDEHYDES BY THE CUPROUS CHLORIDE AMINE OXYGEN SYSTEM

1977 ◽  
Vol 8 (28) ◽  
pp. no-no
Author(s):  
C. JALLABERT ◽  
H. RIVIERE
Keyword(s):  
Molecular Oxygen ◽  
Cuprous Chloride ◽  
Copper Salts ◽  
Oxygen System

Kinetic study of the reduction of molecular oxygen by cuprous chloride and cuprous acetate in pyridine

1983 ◽  
Vol 87 (23) ◽  
pp. 4681-4686 ◽  
Author(s):  
Frederick R. Hopf ◽  
Milorad M. Rogic ◽  
James F. Wolf
Keyword(s):  
Kinetic Study ◽  
Molecular Oxygen ◽  
Cuprous Chloride

Magnetic Behavior of a 1D Molecular-Oxygen System Included within a Transformable Single-Crystal Adsorbent

2006 ◽  
Vol 118 (14) ◽  
pp. 2274-2279 ◽  
Author(s):  
Satoshi Takamizawa ◽  
Ei-ichi Nakata ◽  
Takamasa Akatsuka
Keyword(s):  
Single Crystal ◽  
Molecular Oxygen ◽  
Magnetic Behavior ◽  
Oxygen System

Mischfunktionelle Oxygenierungen IV

1965 ◽  
Vol 20 (12) ◽  
pp. 1185-1191 ◽  
Author(s):  
V. Ullrich ◽  
D. Hey ◽  
Z. Zubrzycki ◽  
Hj. Staudinger
Keyword(s):  
Molecular Oxygen ◽  
Oxygen Radicals ◽  
Oh Radicals ◽  
Oxygen System

The mechanism of aerobic hydroxylation in the presence of peroxidase and dihydroxyfumarate has been studied. Reduction of molecular oxygen proceeds by the dihydroxyfumarate semichinone and leads to the formation of the O2H radical which is reduced to an “oxen atom” as hydroxylating particle. In the peroxidase/dihydroxyfumarate/oxygen system OH radicals are also involved. Since they cannot originate from H2O2 a reduction of oxen atoms to OH radicals has to be assumed. Manganese (II) ions react with oxygen radicals and thereby inhibit hydroxylations by oxen atoms and OH radicals.The reactions involved in the peroxidase/dihydroxyfumarate/oxygen system are summarized in a diagrammatic scheme.

Recent Advances in the Application of Nanometal Catalysts for Glaser Coupling

2020 ◽  
Vol 23 (22) ◽  
pp. 2489-2503 ◽  
Author(s):  
Saeideh Ebrahimiasl ◽  
Farnaz Behmagham ◽  
Shahrzad Abdolmohammadi ◽  
Rahman N. Kojabad ◽  
Esmail Vessally
Keyword(s):  
Transition Metal ◽  
Molecular Oxygen ◽  
Coupling Reaction ◽  
Terminal Alkynes ◽  
Oxidative Process ◽  
Copper Salts ◽  
Catalytic Systems ◽  
Transition Metal Nanoparticles ◽  
The Past ◽  
Glaser Coupling

: Synthesis of symmetrical 1,3-diynes from terminal alkynes through an oxidative process is generally called Glaser coupling. The classic Glaser coupling is catalyzed by copper salts under an atmosphere of molecular oxygen as an oxidant. Over the past years, different metal catalysts and oxidants were successfully used in this atom economical C-C coupling reaction. Moreover, several procedures for the preparation of unsymmetrical 1,3-diynes by coupling two different alkyne substrates have been developed. In this review, we will highlight the usefulness of transition metal nanoparticles as efficient catalysts in homo- and hetero-coupling of alkynes by hoping that it will be beneficial to the development of novel and extremely efficient catalytic systems for this fast-growing and important reaction.

The First Example of Direct Oxidation of Sulfides to Sulfones by an Osmate Molecular Oxygen System.

ChemInform ◽  
2003 ◽  
Vol 34 (27) ◽  
Author(s):  
Boyapati M. Choudary ◽  
Chinta Reddy V. Reddy ◽  
Billakanti V. Prakash ◽  
Mannepalli L. Kantam ◽  
B. Sreedhar
Keyword(s):  
Molecular Oxygen ◽  
Direct Oxidation ◽  
Oxidation Of Sulfides ◽  
Oxygen System

Highly efficient aerobic oxidation of biomass-derived 5-hydroxymethyl furfural to produce 2,5-diformylfuran in the presence of copper salts

RSC Advances ◽  
2014 ◽  
Vol 4 (83) ◽  
pp. 44307-44311 ◽  
Author(s):  
Xinli Tong ◽  
Yongfa Sun ◽  
Xueqin Bai ◽  
Yongdan Li
Keyword(s):  
Molecular Oxygen ◽  
Selective Oxidation ◽  
Aerobic Oxidation ◽  
Copper Salt ◽  
Copper Salts ◽  
Hydroxymethyl Furfural ◽  
Highly Efficient

Based on the catalysis of copper salt, an efficient and selective oxidation of 5-hydroxymethyl furfural to 2,5-diformylfuran with molecular oxygen as the oxidant has been developed.

Sign in / Sign up

Export Citation Format

Share Document