This invention relates to a new process for preparing certain optically active purine substituted cyclopentene derivatives including the antiviral agent, carbovir, and novel intermediates used in this process. In particular, this invention concerns a synthesis of (1R-cis)-4-hydroxymethyl-2-cyclopenten-1-ol, an intermediate in this process.
                            本发明涉及一种制备某些光学活性
嘌呤取代
环戊烯衍
生物的新工艺,包括抗病毒剂卡波韦尔和在该工艺中使用的新型中间体。具体而言,本发明涉及(1R-cis)-4-羟甲基-
2-环戊烯-1-醇的合成,该化合物是该工艺中的一个中间体。