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Kinetics of hydrolysis of 2-substituted 4,5-dichloro-3-oxo-2H-pyridazines

V. Konečný, J. Muchová, A . Jurášek, and P. Zahradníik

Research Institute of Chemical Technology, CS-83J 06 Bratislava

 

Abstract: The kinetics of hydrolysis of 2-R-4,5-dichloro-3-oxo-2H-pyridazines (R = CH3, C3H7, (CH3)2CH, C4H9, (CH3)3C, C5H11 , C6H11 (cyclo), C6H5 , CH2—C6H5 , CH2 —C6H4 -CH3) has been studied. The products of the reaction were found to be the respective 2-R-4-chloro-5-hydroxy-3-oxo-2H-pyridazines, i.e. only the chlorine bound in position 5 entered the reaction. The probable mechanism and the effect of the substituent on hydrolysis have been explained.

Full paper in Portable Document Format: 434a547.pdf

 

Chemical Papers 43 (4) 547–551 (1989)

Wednesday, July 24, 2024

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