Nucleic acids components and their analogues. LVI. 5-Azauracil and its N-methyl derivatives, formation and decomposition in aqueous solutions, structure of compounds with alcohols

1965 ◽  
Vol 30 (1) ◽  
pp. 90-98 ◽  
Author(s):  
P. Piťhová ◽  
A. Pískala ◽  
J. Piťha ◽  
F. Šorm
Keyword(s):  
Nucleic Acids ◽  
Aqueous Solutions ◽  
Methyl Derivatives

New Possibilities of Investigating Nucleic Acids and Nucleoproteins in Aqueous Solutions by Infrared Spectroscopy

Nature ◽  
1972 ◽  
Vol 235 (5338) ◽  
pp. 386-388 ◽  
Author(s):  
M. SHIE ◽  
I. G. KHARITONENKOV ◽  
T. I. TIKHONENKO ◽  
Yu. N. CHIRGADZE
Keyword(s):  
Infrared Spectroscopy ◽  
Nucleic Acids ◽  
Aqueous Solutions

N.M.R. spectra of 'p-nitrosophenol' and its methyl derivatives

1966 ◽  
Vol 19 (5) ◽  
pp. 841 ◽  
Author(s):  
RK Norris ◽  
S Sternhell
Keyword(s):  
Aqueous Solutions ◽  
Long Range ◽  
Organic Solvents ◽  
Negative Charge ◽  
Spin Coupling ◽  
Potassium Salts ◽  
Methyl Derivatives ◽  
Spin Spin Coupling

On the basis of N.M.R. spectra, supported by u.v. and i.r. data, it can be concluded that "p-nitrosophenol" and several of its methyl derivatives exist predominantly in the benzoquinone monoxime form in organic solvents and that in aqueous solutions the corresponding potassium salts have the negative charge largely on the oxime oxygen. The protons on the α-carbon syn to the quinone monoxime hydroxyl are deshielded with respect to the anti protons but this relationship appears to be reversed in the anions. The N.M.R. spectra of some p-nitrosoanisoles and quinone monoxime methyl ethers are given and syn-anti equilibria and long-range spin-spin coupling are discussed.

Molecular clusters in aqueous solutions of pyridine and its methyl derivatives

2011 ◽  
Vol 13 (13) ◽  
pp. 6260 ◽  
Author(s):  
Wojciech Marczak ◽  
Bożena Czech ◽  
László Almásy ◽  
Didier Lairez
Keyword(s):  
Aqueous Solutions ◽  
Molecular Clusters ◽  
Methyl Derivatives

Rheological properties of guar and its methyl, hydroxypropyl and hydroxypropyl-methyl derivatives in semidilute and concentrated aqueous solutions

Polymer ◽  
2010 ◽  
Vol 51 (9) ◽  
pp. 1972-1982 ◽  
Author(s):  
Daniela Risica ◽  
Andrea Barbetta ◽  
Luca Vischetti ◽  
Cesare Cametti ◽  
Mariella Dentini
Keyword(s):  
Aqueous Solutions ◽  
Rheological Properties ◽  
Concentrated Aqueous Solutions ◽  
Methyl Derivatives

Formyl Radicals in X-Irradiated Frozen Aqueous Solutions of DNA and Nucleic Acids Constituents

1975 ◽  
Vol 64 (3) ◽  
pp. 581 ◽  
Author(s):  
Salvatore Cannistraro ◽  
Yves Lion ◽  
Albert van de Vorst
Keyword(s):  
Nucleic Acids ◽  
Aqueous Solutions
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