Methods of preparing 5-alkyl-7H-pyrrolo[2,3-d]pyrimidin-4-ols are described, as are novel compounds useful in their preparation. A specific method encompassed by the invention is represented in the following scheme:
                            本发明涉及制备5-烷基-7H-
吡咯[2,3-d]
嘧啶-4-醇的方法,以及在其制备中有用的新化合物。本发明包括的一种具体方法如下图所示: