Propargyl ethers phosphate groups

In general, allylic and propargyllic electrophiles are much more reactive than alkenyl and alkynyl electrophiles. Thus, a wide variety of electrophiles containing halogens, e.g. I, Br, and Cl, and oxygen groups, e.g. sulfonates, phosphates, carboxylates, carbonates, alkyl and aryl ethers, and even silyl... 

As discussed in Section 1.2.4, the Pd- or Ni-catalyzed cross-coupling involving allyl, benzyl, and propargyl electrophiles takes place with a wide variety of leaving groups. Indeed, virtually all types of allylic alcohol derivatives, including phosphates, carbonates, carboxylates, ethers, and silyl ethers, can be employed. 

Leaving groups in the Tsuji-Trost reaction include acetates, halides, ethers, carbonates, sulfones, carbamates, epoxides, and phosphates. Reviews (a) Tsuji, J. In Handbook of Organopalladium Chemistry for Organic Synthesis, Negishi, E. deMeijere, A., Eds. Wiley-lnterscience New York, 2002 Vol II, Palladium-Catalyzed Nucleophile Substitution Involving Allyl Palladium, Propargyl-palladium and Related Derivatives, pp. 1669-1687. (b) Frost C. G. Howarth, J. Williams, J. M. J. Tetrahedron Asymmetry 1992, 3, 1089-1122. 

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