ChemInform Abstract: KINETIC ENERGY RELEASE AND POSITION OF TRANSITION STATE DURING INTRAMOLECULAR AROMATIC SUBSTITUTION IN IONIZED 1-PHENYL-1-(2-PYRIDYL)ETHYLENES

1980 ◽  
Vol 11 (44) ◽  
Author(s):  
R. SCHUBERT ◽  
H.-F. GRUETZMACHER
1991 ◽  
Vol 46 (12) ◽  
pp. 1021-1025 ◽  
Author(s):  
Ezzat T. M. Selim ◽  
M. A. Rabbih ◽  
M. A. Fahmey

Abstract The energetic requirement and mechanisms for CHO' loss from the molecular ions of isomeric C7H8O precursors have been reported. The heat of formation of [C6H7]+ (protonated benzene) was determined and ε* evaluated. Measurement of the kinetic energy release TB gives the energy-partitioning quotients q= TB/εr* which range from 0.38 to 0.99. The energy available and TB are small for the strongly endothermic reaction of benzyl alcohol but increase sharply in the case of the weakly endothermic reaction of anisole. All reactions have "late" transition states, the position X0*of the transition state on the reaction coordinate varying from 0.64 to 0.93


1977 ◽  
Vol 99 (9) ◽  
pp. 3192-3194 ◽  
Author(s):  
Dudley H. Williams ◽  
Richard D. Bowen

Author(s):  
Kevin F. Donchi ◽  
Einar Uggerud ◽  
Georg Hvistendahl ◽  
Peter J. Derrick

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