Dimers and trimers Of uridylic acid vith it phenylalanine residue at their
5'-terminus were prepared in Solution Via intermediates Both acid-labile pr
otecting groups. A 5'-aminoacylated octanucleotide was prepared on solid Su
pport using a phosphoramidate linker and an allyloxycarbonyl-protected phen
ylalanine. (C) 2001 Elsevier Science Ltd. All rights reserved.