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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
TLDR
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 withExpand
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 andExpand
CuF-chemiluminescent reaction and plasma switching by laser ablation in the gaseous Cu-CF(4) system and their interactions with magnetic field.
TLDR
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
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