立体中心
化学
反应性(心理学)
组合化学
立体化学
催化作用
有机化学
对映选择合成
医学
替代医学
病理
作者
Lei Wang,Ziyin Silver Huang,Xiaoyu Guo,Jian Liu,Jinhuan Dong,Xianxiu Xu
摘要
A novel diastereodivergent tricyclization of isocyanoacetates with o-quinone methides was accomplished for the efficient synthesis of chromeno[2,3-b]chromene derivatives. All three reactive centers of isocyanoacetate reacted sequentially with two o-QMs, affording the products with four adjacent stereocenters in a diastereoselective manner. The asymmetric version was preliminarily investigated.
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