Stereochemical elucidation of aldoses from the proton NMR spectrum of its peracetylated aldononitrile derivatives with the aid of MM2/3JHH calculations

1990 ◽  
Vol 55 (11) ◽  
pp. 3526-3530 ◽  
Author(s):  
Dolores Velasco ◽  
Josep Castells ◽  
Francisco Lopez-Calahorra ◽  
Carlos Jaime
Keyword(s):  
1988 ◽  
Vol 25 (5) ◽  
pp. 1593-1595 ◽  
Author(s):  
Milton D. Johnston ◽  
Gary E. Martin ◽  
Raymond N. Castle
Keyword(s):  

1976 ◽  
Vol 54 (20) ◽  
pp. 3169-3174 ◽  
Author(s):  
Lakshminarayanan Ramakrishnan ◽  
Sundaresa Soundararajan

Complexes of lanthanide iodides with 3-methylpyridine-1-oxide of the formula Ln(3-MePyO)8I3.xH2O where x = 0 for Ln = La and Tb, x = 1 for Ln = Pr, and x = 2 for Ln = Nd, Sm, Dy, Yb, and Y have been prepared and characterized by chemical analyses, conductance, infrared, proton nmr, and DTA data. Infrared and proton nmr data have been interpreted in terms of the coordination of the ligand to the metal ion through the oxygen of the N—O group. Proton nmr spectrum of the Yb(III) complex is indicative of a restricted rotation of the pyridine ring about the N—O bond.


1987 ◽  
Vol 52 (20) ◽  
pp. 4616-4617 ◽  
Author(s):  
Robert A. Pascal ◽  
Robert B. Grossman
Keyword(s):  

Biochemistry ◽  
1985 ◽  
Vol 24 (26) ◽  
pp. 7703-7711 ◽  
Author(s):  
M. Ravi Kumar ◽  
R. V. Hosur ◽  
K. B. Roy ◽  
H. T. Miles ◽  
G. Govil

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