Novel intermediates useful in the preparation of the optically active antiviral compound [1R-(1.alpha.,2.beta.,3.alpha.)]-2-amino-9-[2,3-bis(hydroxymethyl)cyclobut yl]-1,9-dihydro-6H-purin-6-one are described.
本文描述了在制备光学活性抗病毒化合物[1R-(1.alpha.,2.beta.,3.alpha.)]-2-
氨基-9-[2,3-双(羟甲基)
环丁基]-1,9-二氢-
6H-嘌呤-6-酮过程中有用的新型中间体。