Estimate of the stabilization energy of cation radicals formed in poly(N-vinylcarbazole) and its dimer model compounds by an ion radical transfer method

1988 ◽  
Vol 21 (3) ◽  
pp. 665-670 ◽  
Author(s):  
Yoshinobu Tsujii ◽  
Akira Tsuchida ◽  
Masahide Yamamoto ◽  
Yasunori Nishijima
Keyword(s):  
Stabilization Energy ◽  
Model Compounds ◽  
Dimer Model ◽  
Cation Radicals ◽  
Radical Transfer ◽  
Transfer Method

Efficient Ni Based Catalysts for Hydrotreatment of Lignin Dimer Model Compounds to Cycloalkanes/Cycloalkanols

2021 ◽  
Author(s):  
Changzhou Chen ◽  
Dichao Wu ◽  
Peng Liu ◽  
Haihong Xia ◽  
Minghao Zhou ◽  
...  
Keyword(s):  
Noble Metal ◽  
Low Cost ◽  
Great Success ◽  
Model Compounds ◽  
Efficient Catalyst ◽  
Dimer Model ◽  
Catalytic Cleavage

Noble-metal catalytic cleavage of the ether bonds in lignin to obtain aromatic chemicals had achieved great success, and development of a low-cost and efficient catalyst was crucial. Herein, NixLay/CNT was...

Picosecond dynamics of intramolecular electron and energy transfer in porphyrin dimer model compounds

1989 ◽  
Vol 131 (2-3) ◽  
pp. 473-480 ◽  
Author(s):  
Noboru Mataga ◽  
Hiroshi Yao ◽  
Tadashi Okada ◽  
Yu. Kanda ◽  
Anthony Harriman
Keyword(s):  
Energy Transfer ◽  
Model Compounds ◽  
Dimer Model ◽  
Porphyrin Dimer

Oxidation Mechanism of NAD Dimer Model Compounds

1997 ◽  
Vol 26 (6) ◽  
pp. 567-568 ◽  
Author(s):  
Matthias Patz ◽  
Yoshihiro Kuwahara ◽  
Tomoyoshi Suenobu ◽  
Shunichi Fukuzumi
Keyword(s):  
Oxidation Mechanism ◽  
Model Compounds ◽  
Dimer Model

scholarly journals Hole Drift Mobility in Dimer Model Compounds of Poly(N-vinylcarbazole) Dispersed in a Polymer Binder

1985 ◽  
Vol 17 (3) ◽  
pp. 545-548 ◽  
Author(s):  
Masaaki Yokoyama ◽  
Koji Akiyama ◽  
Naoki Yamamori ◽  
Hiroshi Mikawa ◽  
Shigekazu Kusabayashi
Keyword(s):  
Drift Mobility ◽  
Polymer Binder ◽  
Model Compounds ◽  
Dimer Model

Lignin-degrading enzymes

1987 ◽  
Vol 321 (1561) ◽  
pp. 461-474 ◽  
Keyword(s):  
Lignin Biodegradation ◽  
Major Research ◽  
Model Compounds ◽  
Peroxidase Isoenzymes ◽  
Cation Radicals ◽  
Radical Intermediates ◽  
Degrading Enzymes ◽  
Potential Applications ◽  
Full Complement ◽  
Dimeric Model

The substantial potential applications of lignin-degrading microbes and enzymes have spurred research on lignin biodegradation in recent years. As described here, that research has led to the discovery in the basidiomycete Phanerochaete chrysosporium of the first lignin-degrading enzymes and elucidation of their mode of action. A family of powerful extracellular peroxidase isoenzymes has been the focus of most investigations. The key catalytic reaction of these glycoproteins, in the presence of hydrogen peroxide, is one-electron oxidation of aromatic nuclei, generating unstable aryl cation radicals. These decompose via a number of reactions, which have been elucidated with dimeric model compounds for lignin. The involvement of carboncentred and peroxyl free-radical intermediates has been established. The peroxyl intermediates result from the addition of molecular oxygen to the C-centred radicals. Strong evidence for a classical peroxidase-type catalytic cycle of the ligninases has been obtained. The major research need is to identify the full complement of enzymes needed to degrade lignin to small fragments; this degradation is not accomplished by the isolated ligninases or by the crude extracellular mixture of enzymes secreted by cultures as they degrade lignin.

Transannular interactions in dimer cation radicals of naphthalene derivatives. Conformation anomaly and stabilization energy

1986 ◽  
Vol 90 (8) ◽  
pp. 1564-1571 ◽  
Author(s):  
Atsushi Terahara ◽  
Hiroaki Ohya-Nishiguchi ◽  
Noboru Hirota ◽  
Akira Oku
Keyword(s):  
Stabilization Energy ◽  
Naphthalene Derivatives ◽  
Cation Radicals

scholarly journals Stabilization of an Anion Radical Formed in Poly(vinyl methyl terephthalate) Studied by Anion Radical Transfer Method

1988 ◽  
Vol 20 (10) ◽  
pp. 837-844 ◽  
Author(s):  
Yoshinobu Tsujii ◽  
Akira Tsuchida ◽  
Masahide Yamamoto ◽  
Yasunori Nishijima ◽  
Yoshio Wada
Keyword(s):  
Anion Radical ◽  
Vinyl Methyl ◽  
Radical Transfer ◽  
Transfer Method

Photophysics of Poly{2,2′-bipyridine-5,5′-diylethynylene [2,5-di(2-ethylhexyl)oxy-1,4-phenylene[ethynylene}: a comparison with monomer and dimer model compounds

2004 ◽  
Vol 17 (3) ◽  
pp. 199-206 ◽  
Author(s):  
U.-W. Grummt ◽  
Th. Pautzsch ◽  
E. Birckner ◽  
A. Utterodt ◽  
U. Neugebauer ◽  
...  
Keyword(s):  
Phenylene Ethynylene ◽  
Model Compounds ◽  
Dimer Model
Sign in / Sign up

Export Citation Format

Share Document