Reaction of cyanide ion with aromatic nitriles and aromatic heterocyclic compounds in dipolar aprotic solvents. Cyanide exchange

1972 ◽  
Vol 37 (2) ◽  
pp. 314-317 ◽  
Author(s):  
H. R. Snyder ◽  
Richard B. Chapas ◽  
R. F. Nystrom





1973 ◽  
Vol 38 (3) ◽  
pp. 481-483 ◽  
Author(s):  
Norbert A. Goeckner ◽  
H. R. Snyder


1985 ◽  
Vol 50 (11) ◽  
pp. 2493-2508 ◽  
Author(s):  
Petr Kyselka ◽  
Zdeněk Havlas ◽  
Ivo Sláma

Solvation of Li+, Be2+, Na+, Mg2+, and Al3+ ions has been studied in binary mixtures with dimethyl sulphoxide, dimethylformamide, acetonitrile and water, and in ternary mixtures of the organic solvents with water. The CNDO/2 quantum chemical method was used to calculate the energies of solvation, molecular structures and charge distributions for the complexes acetonitrile...ion (1:1, 2:1, 4:1), dimethyl sulphoxide...ion (1:1), dimethylformamide...ion (1:1), and acetonitrile (dimethyl sulphoxide, dimethylformamide)...ion...water (1:1:1).



1991 ◽  
Vol 56 (10) ◽  
pp. 2160-2168 ◽  
Author(s):  
Josef Jirman

The 1H and 13C NMR spectra have been measured of six trans-azobenzenes substituted at 2 and 2’ positions with substituents favourable for complex formation with a metal (OH, NH2, NHCOCH3, COOH). From the standpoint of NMR such substituted trans-azobenzenes are present in solution in a rapid equilibrium following from rotation around the bond between C-1 of phenyl group and N atom of azo linkage. The predominant form has the substituent in the syn-position with respect to the free electron pair of the nearer azo nitrogen atom. The equilibrium is affected by dipolar aprotic solvents (such as hexadeuteriodimethyl sulfoxide) by decreasing the presence of the predominant form by 1 to 11%.



1974 ◽  
Vol 5 (41) ◽  
Author(s):  
W. C. REARDON ◽  
J. E. WILSON ◽  
J. C. TRISLER
Keyword(s):  


1994 ◽  
Vol 125 (8-9) ◽  
pp. 801-809 ◽  
Author(s):  
S. Filipek ◽  
J. Rzeszotarska ◽  
M. K. Kalinowski


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