Transition metal catalysis in fluorous media: extension of a new immobilization principle to biphasic and monophasic rhodium-catalyzed hydrosilylations of ketones and enones
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The title protocol utilizes CF3C6F11 solutions of ClRh[P(CH2CH2(CF2)(n-1)CF3)3]3 (n=6, 8; 0.8-0.2 mol%) and toluene (biphasic conditions, 60°C) or hexanes or ether (monophasic conditions, 28-60°C) solutions of PhMe2SiH and cyclic enones or ketones. Samples are cooled to room temperature or -30°C, and simple organic/fluorous phase separations remove products from the catalyst, which can be directly reused without loss of activity.
author list (cited authors)
Dinh, L. V., & Gladysz, J. A.