One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Product Details of 38028-67-0, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 38028-67-0, Name is 2-Ethoxypyrazine, molecular formula is C6H8N2O
A kinetic study has been made of the first-order thermal decomposition of the title compounds into ethylene and the corresponding aza-substituted pyridines, between 650 and 713 K.The relative elimination rates at 650 K are (2-ethoxypyridine = 1): 0.545, 10.0, 1.03, 1.12, 9.68, and 3.28, respectively.The electronic effects of the aza ‘substituent’ are small, and a more important factor appears to be the C-N ?-bond order; this latter accounts for the high reactivity of the pyridazines.The effects of the chloro substituent and of the aza ‘substituent’ are explicable in terms of a balance between electron withdrawal from the C-O bond (producing deactivation) and from the nitrogen involved in the cyclic transition state (producing deactivation).The effects of the chloro substituents confirm that the most important step of the reaction is breaking of the C-O bond.The statistically corrected rate (per ring nitrogen) of 2-ethoxypyrimidine is unexpectedly low.This may reflect difficulty in achieving the coplanar transition state in which the lone pairs in the s-orbitals of oxygen and the nitrogen not involved in the elimination are brought into close proximity.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Product Details of 38028-67-0, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 38028-67-0, in my other articles.
Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N506 – PubChem