Nucleotides. VII. A procedure for the preparation of diribonucleoside monophosphates having natural linkage.
作者:MORIYUKI SATO、YOSHIHISA MIZUNO
DOI:10.1248/cpb.24.2903
日期:——
A procedure has been devised whereby out of a pair of 2'-5'-and 3'-5'-positional isomers of 2-thiouridylyl- and uridylyluridine derivatives, the former could be selectively cleaved into halves through the 2, 2'-anhydronucleoside formation so that the isolation of the dinucleoside monophosphate having natural linkage may become easier. In this connection, conditions for selective 2, 2' anhydro-bond formation have been examined and 2-(t-butoxycarbonyl) phenyl group has been introduced as a protecting group for the phosphate of dinucleoside monophosphates (e.g., 8c and 9c). A simple procedure for the synthesis of 2, 2'-(S)-anhydro-2-thiouridylyl-(3'-5')-uridine was also described.