A process for easily and industrially advantageously producing both a tricyclic fused heterocyclic derivative having acetylcholinesterase inhibitory activity and an intermediate for the derivative. The process for producing the target compounds comprises the following reaction.
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                            一种用于方便地和工业上有利地生产既具有
乙酰胆碱酯酶抑制活性的
三环融合杂环衍
生物,又具有该衍
生物的中间体的方法。用于生产目标化合物的过程包括以下反应。1