In this paper we describe the development and application of a sequential Fries–Claisen rearrangement strategy as a new route for annelation on an aromatic ring. We demonstrate the potential utility of this protocol through the synthesis of a pyranonaphthoquinone target.
                                    在本文中,我们描述了连续 Fries-Claisen 重排策略作为芳环上退火的新途径的开发和应用。我们通过合成
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萘醌目标证明了该协议的潜在效用。