1,3-Dipolar Cycloaddition of Diazo Compounds to Electron-Deficient Alkenes: Kinetics and Mechanism of Formation of Dimethyl-4,5-dihydro-1H-pyrazol-3,5-dicarboxylate. - Ovchinnikov, Mikhail Yu.; Yangirov, Tagir A.; Lobov, Alexander N.; Sultanova, Rimma M.; Khursan, Sergey L. (International Journal of Chemical Kinetics, 2013)