title: Synthesis of 5-epi-taiwaniaquinone G.
abstract: A concise synthetic approach to the unnatural 5-epi-taiwaniaquinone G has been developed via a Lewis acid catalyzed tandem acylation-Nazarov cyclization reaction to construct the tricyclic skeleton, followed by installation of the isopropyl group through a strategy involving coumarin formation and its subsequent hydrolysis.
authors.affiliation: College of Chemistry and Molecular Engineering, Zhengzhou University , Zhengzhou 450001, People's Republic of China.
authors.forename: Jinqian
authors.initials: J
authors.lastname: Wang
authors.forename: Jing
authors.initials: J
authors.lastname: Wang
authors.forename: Changwei
authors.initials: C
authors.lastname: Li
authors.forename: Yonggang
authors.initials: Y
authors.lastname: Meng
authors.forename: Jie
authors.initials: J
authors.lastname: Wu
authors.forename: Chuanjun
authors.initials: C
authors.lastname: Song
authors.forename: Junbiao
authors.initials: J
authors.lastname: Chang
mesh_terms: D002384:Catalysis; D003374:Coumarins / Q000138:chemical synthesis* / Q000737:chemistry; D003500:Cyclization; D004224:Diterpenes / Q000138:chemical synthesis* / Q000737:chemistry; D058116:Lewis Acids / Q000737:chemistry*; D015394:Molecular Structure; D011083:Polycyclic Compounds / Q000138:chemical synthesis* / Q000737:chemistry; D013237:Stereoisomerism
chemical_list: D003374:Coumarins; D004224:Diterpenes; D058116:Lewis Acids; D011083:Polycyclic Compounds; C539836:taiwaniaquinone G