PHOSPHONATES - A NOVEL TYPE OF NUCLEOTIDE ANALOGS RELATED TO HPMPA. II. SYNTHESIS OF L-ribo and L-xylo CONFIGURATED DERIVATIVES BY RECYCLIZATION OF DIETHYL (5-RS)-<1,2-O-ISOPROPYLIDENE-5-O-METHANESULFONYL-D-PENTOF

Article abstract of DOI:10.1135/cccc19932180

Further cyclic analogs of the antiviral (S)-9-(3-hydroxy-2-phosphonomethoxypropyl)adenine (I) were prepared: both anomers of <5-(adenin-9-yl)-5-deoxy-L-ribofuranosyl>phosphonic acid (α-IId and β-IId) and <5-(adenin-9-yl)-5-deoxy-α-L-xylofuranosyl>phosphon