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Jun Ao Yidong Liu Shiqi Jia Lu Xue Dongmei Li Yu Tan Wenling Qin Hailong Yan 《Tetrahedron》2018,74(4):433-440
An unprecedented PTSA-promoted furan annulation and aromatization in one pot has been developed. This process offers a simple and efficient synthetic route for the construction of various highly substituted benzo[b]furan derivatives, which are widely used not only in drug active molecules but also organic semiconductor and organic light-emitting devices. The preliminary mechanism study indicated this transformation proceeded sequentially via furan annulation and aromatization. 相似文献
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