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Formation and Deprotonation Kinetics of the Sitting-Atop Complex of Copper(II) Ion with 5,10,15,20-Tetraphenylporphyrin Relevant to the Porphyrin Metalation Mechanism. Structure of…
- Y. Inada, Yumi Sugimoto, Yuko Nakano, Y. Itoh, S. Funahashi
- Chemistry, Medicine
- Inorganic chemistry
- 18 September 1998
The present kinetic results have indicated that the SAT complex exists during the course of the metalation process and thatThe SAT complex formation is a rate-determining step. Expand
Spectral Evidence and Kinetics for Formation of the Sitting-Atop Complex of Copper(II) Ion with 5,10,15,20-Tetraphenylporphyrin in Acetonitrile
The kinetic parameters for the formation of the sitting-atop (SAT) complex of the copper(II) ion with 5,10,15,20-tetraphenylporphyrin (H2tpp) were directly determined in acetonitrile. The large ΔH≠… Expand
A facile preparation method for α,α-difluoroalkanecarboxylic acids and esters. A formal difluoromethylene insertion to alkanecarboxylic acids using radical reaction
Abstract Various alkyl radicals generated by the photoreaction of a series of Barton esters reacted with 1,1-dichloro-2,2-difluoroethene to give radical adducts as the major product accompanied with… Expand
Total synthesis of a tetracyclic anti-tumor, UCE6.
α,α-Difluroalkanecarboxylic acids: a general synthesis via alkyl radical addition to 1,1-dichloro-2,2-difluoroethylene
Abstract Photodecomposition of alkanoic acid esters of N-hydroxy-2-thiopyridone with 1,1-dichloro-2,2-difuoroethylene gives alkyl-radical-trapped products, which give α,α-difluroalkanoic acids and… Expand
Regioselective Synthesis of Bridged Azabicyclic Compounds Using Radical Translocation/Cyclization Reactions of 4-Alkynyl-1-(o-iodobenzoyl)piperidines
A Facile Preparation Method for α,α- Difluoroalkanecarboxylic Acids and Esters. A Formal Difluoromethylene Insertion to Alkanecarboxylic Acids Using Radical Reaction.
Total Synthesis of a Tetracyclic Antitumor, UCE6.
CuF-chemiluminescent reaction and plasma switching by laser ablation in the gaseous Cu-CF(4) system and their interactions with magnetic field.
- Yuko Nakano, H. Kawai, Tomoko Takenaka, S. Hon, Tomoaki Mizuguchi, A. Matsuzaki
- Chemistry, Medicine
- The journal of physical chemistry. A
- 13 May 2010
It is found that Cu emitted by laser ablation can switch the plasma in an electric field less than that necessary for the direct discharge in dc-plasma and call it PLASLA (plasma switching by Laser ablation), a promising new metal catalysis process for materials science. Expand
Thioester synthesis through geoelectrochemical CO2 fixation on Ni sulfides
A prevailing scenario of the origin of life postulates thioesters as key intermediates in protometabolism, but there is no experimental support for the prebiotic CO2 fixation routes to thioesters.… Expand