NEW CONDENSING REAGENTS FOR STEREOSPECIFIC SYNTHESIS OF DINUCLEOSIDE MONOPHOSPHATE ARYL ESTERS
Condensation of 5'-O-dimethoxytritylnucleoside 3'-O-(o-chlorophenyl)phosphates and 3'-O-benzoylnucleosides with a new condensing reagent, 2,4,6-triisopropylbenzenesulfonyl 5-(pyridin-2-yl) tetrazolide gave o-chlorophenyl ester of protected dinucleoside mo