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The concept of covalently connecting a catalytically active transition metal center with a water-soluble receptor (host molecule) makes a new type of supramolecular catalysis possible in which the features of molecular recognition, phase transfer catalysis and transition metal catalysis are combined in a single system. The first examples of this principle make use of the commercially available β-cyclodextrin...
Biphase systems were generated by combining toluene solutions of alkenes (2-cyclohexen-1-one, 1-dodecene, cyclododecene, 4-bromostyrene) and CF 3 C 6 F 11 solutions of the pre-catalyst ClRh[P(CH 2 CH 2 (CF 2 ) 5 CF 3 ) 3 ] 3 ((1); 1.1-0.8mol%) and placed under 1atm of H 2 . The perfluoroalkyl segments in (1)...
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