A general, efficient, and highly regioselective protocol with the use of a gold(I) complex catalytic system for the transformation of alkynylphosphonates into the corresponding β‐ketophosphonates has been successfully developed. This method produces a variety of β‐ketophosphonates with the advantages of mild reaction conditions, high functional‐group tolerance, and excellent yields.
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Xie et al. (2014) studied this question.
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