Abstract
2′,3′,5′-Tri-O(tetrahydropyran-2-yl)inosine 1 was treated with iodobenzene or 2-bromopyridine in the presence of cuprous oxide in pyridines to give the N1 -aryl derivatives 2a, b. Deprotection of the products afforded N1 -arylinosines 3a, b.