Abstract
The removal of allylic protecting groups promoted by a water soluble palladium complex of the trisulfonated triphenylphosphine is achieved in very high yields (95-100%) on a wide range of water-insoluble substrates in a genuine two-phase system by using the per(2,6-di-O-methyl)-β-cyclodextrin as inverse phase transfer catalyst. The catalytic activities were up to 1000 times higher than those observed without cyclodextrin.
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