The rapid synthesis of bicyclo[m.n.1]alkanone cores possessing quaternary carbon centers adjacent to a bridged ketone represents a significant synthetic challenge. This type of architectural feature is embedded in various complex biologically active compounds such as hyperforin and garsubellin A. Herein, we report a highly diastereoselective one-pot Diels–Alder reaction/Au(I)-catalyzed carbocyclization to generate bicyclo[3.3.1]alkanones in yields ranging from 48–93%.
含有与桥接酮相邻的四价碳中心的bicyclo[m.n.1]烷酮核的快速合成代表着一个重要的合成挑战。这种结构特征嵌入在各种复杂的生物活性化合物中,如金丝桃素和加瑟贝林A。在这里,我们报告了一种高度对映选择性的一锅法Diels–Alder反应/Au(I)催化的碳环化反应,生成产率在48-93%之间的bicyclo[3.3.1]烷酮。