01806nas a2200205   4500008004100000022001400041245007700055210006900132260007400201300001200275490000800287520106600295653002301361653001801384653001301402653002401415100002801439700002901467856010401496       2012                        eng d  a1878-519000aKinetics of the Heck reaction in biphasic organic-ethylene glycol medium0 aKinetics of the Heck reaction in biphasic organicethylene glycol  aVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDSbSPRINGERcAUG  a457-4730 v1063 a<p>PdCl2(bipy) was found to be an efficient and stable catalyst in biphasic medium (organic-glycol) for the Heck reaction. The kinetics of the Heck coupling of styrene with iodobenzene using the same catalyst was studied in a biphasic medium in a temperature range of 393-413 K. The rate was found to have a first order dependence tending to a fractional order, on the iodobenzene as well as catalyst concentration. The rate was found to have a complex dependence on the styrene concentration and passes through a maximum, showing typical substrate inhibition kinetics. The rate had a first order dependence on the base (morpholine) concentration. The trends observed for the influence of the different parameters on the activity of the catalyst are in agreement with the established mechanism for Heck reaction. An empirical rate model has been proposed to fit the observed rate data. The activation energy was found to be 72.91 kJ/mol. This is the first time that kinetic modeling of Heck reaction in a biphasic medium (organic-glycol) has been attempted.</p>10aBiphasic catalysis10aHeck reaction10akinetics10aPdCl2(bipy) complex1 aJagtap, Sangeeta, Vijay1 aDeshpande, Raj, Madhukar  uhttps://library.ncl.res.in/content/kinetics-heck-reaction-biphasic-organic-ethylene-glycol-medium-0