A new water soluble phosphine-ligand: diphenylphosphinyl) phenylphosphonic acid (DPPPA) was used in Heck reaction. The Heck reaction is efficiently and rapidly achieved by a palladium-catalysed reaction in water performed in a Teflon autoclave under microwave irradiation with a commercial microwave oven. The log P was used for correlating the solubility of the aryl iodide in water with the observed yield.
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