有机催化不对称[3+3]环化合成新型光学活性稠合多环3,4-二氢吡喃并[4,3- b]吡喃-5-(2 H)-酮
肖园园, 王有名, 周正洪
Asymmetric Synthesis of Novel Fused Polycyclic 3,4-Dihydro-pyrano[4,3- b]pyran-5(2 H)-ones via an Organocatalyzed Formal[3+3] Annulation
Xiao Yuanyuan, Wang Youming, Zhou Zhenghong
有机化学 . 2019, (8): 2203 -2210 .  DOI: 10.6023/cjoc201703070