Probing the Mechanism
of Baylis-Hillman Reaction in
Ionic Liquids
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Abstract
The kinetic data for a Baylis-Hillman reaction in certain
ionic
liquids possessing ethylsulfate anion [EtSO<sub>4</sub>]<sup>−</sup> demonstrate that the rate determining step (RDS) is second order
in aldehyde, but first order in acrylate and DABCO. This observation
is similar to the one made by McQuade et al., who carried out this
reaction in an aprotic polar solvent like DMSO. However, this is in
contrast to the general observation that RDS is first order in aldehyde,
acrylate, and DABCO in organic solvents
