The reaction of the ketene acetal triflates 9a−e and a zinc homoenolate 10 in the presence of a catalytic amount of Pd(PPh3)4 gave the enol ethers 11a−e in good yields. The...

A chemoenzymatic procedure is described for the synthesis of 3‘- and 5‘-carbazoyl nucleoside derivatives 12a,b, 13a,b, 14b,c, and 30b, and these are prepared for the first time....