Spectroscopic Studies on Iron Complexes of Different Anthracyclines in Aprotic Solvent Systems

2001 ◽  
Vol 40 (21) ◽  
pp. 5324-5333 ◽  
Author(s):  
Hartmut Drechsel ◽  
Marina Fiallo ◽  
Arlette Garnier-Suillerot ◽  
Berthold F. Matzanke ◽  
Volker Schünemann
Keyword(s):  
Aprotic Solvent ◽  
Iron Complexes ◽  
Spectroscopic Studies ◽  
Solvent Systems

Synthesis and151Eu- and57Fe-Mössbauer spectroscopic studies of new europium-iron complexes

1999 ◽  
Vol 239 (2) ◽  
pp. 227-232 ◽  
Author(s):  
M. Katada ◽  
T. Nawa ◽  
H. Kumagai ◽  
S. Kawata ◽  
S. Kitagawa
Keyword(s):  
Iron Complexes ◽  
Spectroscopic Studies

Hydrogen-bonded complex-ion-pair equilibriums in 3,4-dinitrophenol-amine-aprotic solvent systems

1972 ◽  
Vol 76 (14) ◽  
pp. 1989-1993 ◽  
Author(s):  
R. A. Hudson ◽  
R. M. Scott ◽  
S. N. Vinogradov
Keyword(s):  
Aprotic Solvent ◽  
Ion Pair ◽  
Solvent Systems ◽  
Complex Ion ◽  
Hydrogen Bonded

Solvolysis of sulphonyl halides. VIII. Reaction of methane and ethane sulphony1 chlorides with methanol, ethanol, and mixed solvent systems

1971 ◽  
Vol 24 (4) ◽  
pp. 713 ◽  
Author(s):  
R Foon ◽  
AN Hambly
Keyword(s):  
Carbon Tetrachloride ◽  
Room Temperature ◽  
Reaction Rate ◽  
Mixed Solvent ◽  
Aprotic Solvent ◽  
Excess Enthalpies ◽  
Initial State ◽  
Polar Aprotic Solvent ◽  
Rate Of Reaction ◽  
Solvent Systems

At room temperature methanesulphonyl chloride reacts more rapidly than ethanesulphonyl chloride in solvolysis by ethanol. Their rates of reaction with methanol are approximately equal while ethanesulphonyl chloride is the more reactive in hydrolysis. The enthalpies and entropies of activation have been determined for the solvolysis of ethanesulphonyl chloride in mixtures of ethanol with benzene, carbon tetrachloride, or 2,2,4-trimethylpentane. A comparison of the excess enthalpies and entropies of mixing in the formation of these solvents with the corresponding parameters for reaction shows that the effects on reaction rate are not due merely to the modification of the initial state of the system. The effect of the polar aprotic solvent nitrobenzene on the rate of reaction with methanol is attributed to an increase in the nucleophilic tendency of the methanol rather than to solvation of the reactive centre in the transition state.

Mössbauer Spectroscopic Studies of (Pheophytin)iron Complexes with Pyridine and Substituted Pyridines

1990 ◽  
Vol 49 (2) ◽  
Author(s):  
Hisao Hori ◽  
Koji Kadono ◽  
Kazuki Fukuda ◽  
Hidenari Inoue ◽  
Tsuneo Shirai ◽  
...  
Keyword(s):  
Iron Complexes ◽  
Spectroscopic Studies ◽  
Substituted Pyridines

Solvatochromic parameters and solubilities in supercritical fluid systems

1993 ◽  
Vol 71 (11) ◽  
pp. 1834-1840 ◽  
Author(s):  
Mark L. O'Neill ◽  
Peeter Kruus ◽  
Robert C. Burk
Keyword(s):  
Supercritical Fluid ◽  
Supercritical Fluids ◽  
Spectroscopic Studies ◽  
Solvatochromic Parameters ◽  
Solubility Prediction ◽  
Fluid Systems ◽  
Supercritical Fluid Solvents ◽  
Opposite Order ◽  
Solvent Systems ◽  
Solvent Power

Spectroscopic studies of the compound 2-nitroanisole in supercritical fluids CO2 and N2O show that π* values vary linearly with density. The solubility trends in these single component supercritical fluid solvents qualitatively followed the trends in solvent power predicted from π*. However, the relative solvent power predicted for CO2 and N2O based on π* resulted in an opposite order to what was determined experimentally through solubility measurements. The π* parameter may be of some use for solubility prediction if only a limited set of solute–solvent systems are considered. Measurements of π*, especially those in binary supercritical fluid solvents, suggest that π* could be a valuable tool for probing the solute-organized cybotactic region.

scholarly journals Spectroscopic Studies of Some Transition Metal Copper and Iron Complexes

2012 ◽  
Vol 365 ◽  
pp. 012010
Author(s):  
A Mishra ◽  
R Sharma ◽  
B D Shrivastava ◽  
N Mishra
Keyword(s):  
Transition Metal ◽  
Iron Complexes ◽  
Spectroscopic Studies
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