| 摘要 |
The invention provides a compound of the formula:
wherein Y is an unsubstituted or substituted alkyl or arylalkyl group having 1 to 8 carbon atoms, as well as a process of preparing said compound. The invention also provides a process of preparing the compound 3H,5H-pyrrolo[3,2-d]pyrimidin-4-one, comprising the step of reacting a compound of the formula (A) defined above with a reagent capable of delivering a formyl equivalent. The invention also provides a process of preparing the compound 2-amino-3 H ,5 H -pyrrolo[3,2- d ]pyrimidin-4-one, comprising the step of reacting the compound 2-(N-dimethylaminomethylene)amino-6-(2-dimethylaminovinyl)-5-nitropyrimid-4-one with a reagent capable of reducing the nitro group, to produce the compound 2-amino-3 H ,5 H- pyrrolo[3,2- d ]pyrimidin-4-one. |
