Abstract
Abstract The Chlorotris(triphenylphosphine)rhodium (I), chlorotris(triphenylphosphine)rhodium (I) complex, tris(triphenylphosphine)rhodium(I) chloride, or tris(triphenylphosphine) chlororhodium (i.e., [Rh(PPh 3 ) 3 Cl]), are commonly known as the Wilkinson's catalyst. All the characterstics and method for preparaion of this catalyst has been discussed. Nevertheless, the Wilkinson's catalyst is one of the most popular organometallic compounds used in organic synthesis and is the best known for the homogeneously catalytic hydrogenation to reduce alkenes to alkanes and alkynes to either cis ‐alkenes or alkanes under mild conditions. The allylic carboxyl group has been reported to direct the diastereoselectivity up to 99% in the presence of a base and replacement of a phenyl group in phosphine by an alkyl group decreases the catalytic efficiency. Some of the other organic transformations that involve the Wilkinson's catalyst have been discussed. This reagent has very broad applications in organic synthesis.
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