Published on Jan. 1, 1994 in J. Chem. Soc. volume 3423-3429.

DOI: 10.1039/P19940003423


Abstract:

The pivaloyloxymethyl (Pom) group has been used simultaneously to protect both nitrogens in the uracil ring system of pseudouridine. This enabled the synthesis of a 2′-O-[1-(2-fluorophenyl)-4-methoxypiperidin-4-yl]-protected (Fpmp protected) pseudouridine building block suitable for solidphase oligoribonucleotide synthesis by the phosphoramidite method as well as a useful 2′-O-methylpseudouridine building block. Both compounds were incorporated in high yield into synthetic oligonucleotides, the Pom groups being cleaved during an extended deblock with ammonia.


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