Chin. J. Org. Chem.
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2019, Vol. 39(8): 2203-2210    DOI: 10.6023/cjoc201703070
Asymmetric Synthesis of Novel Fused Polycyclic 3,4-Dihydro-pyrano[4,3-b]pyran-5(2H)-ones via an Organocatalyzed Formal[3+3] Annulation
Xiao Yuanyuan, Wang Youming, Zhou Zhenghong
Institute and State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071
Received 2019-03-29  Revised 2019-05-10
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