酶促4+2和2+2环加成反应：区域与立体选择性的理解与应用

汤志军, 胡友财, 刘文

Enzymatic （4+2）- and （2+2）-cycloaddition reactions: fundamentals and applications of regio- and stereoselectivity

TANG Zhijun, HU Youcai, LIU Wen

图2 EupfF和PycR1催化的分子间串联4+2环加成反应

Fig. 2 EupfF and PycR1-catalyzed intermolecular tandem (4+2)-cycloaddition reactions