E-mail: dyoung@sch.ac.kr Received August 16, 2013, Accepted September 3, 2013Key Words : Asymmetric catalysis, β,γ-Unsaturated α-keto esters, Friedel-Crafts reaction, Organocatalysis,ChromanesThe chromane and benzopyrane structures are present as acharacteristic structural motif in a large number of naturalproducts that possess a broad array of biological activitiessuch as antimicrobial, antiviral
E-mail: dyoung@sch.ac.kr 2013年8月16日收稿, 2013年9月3日接受关键词: 不对称催化, β,γ-不饱和α-
酮酯, 傅克反应, 有机催化, 色原,
色烷和苯并
吡喃结构是作为特征性结构基序存在于大量
天然产物中,这些
天然产物具有广泛的
生物活性,如抗菌、抗病毒、抗肿瘤和中枢神经系统活性。