(±)-Hypernumqulins A–H: Eight pairs of unexpected [2+2] cycloaddition sesquiterpenoid alkaloid with 6/6/6/4/10 ring system from Hypericum monogynum L.
Zhaoyue Dong, Qingxiu Pu, Yinda Qiu, Ruifeng Zhang, Qianyu Chen, Qingju Liu, Ammara Khalid, Fancheng Meng, Guowei Wang, Zhihua Liao, Min Chen, Min Chen
Topics & Concepts
ChemistryAlkaloidCycloadditionRing (chemistry)StereochemistryHypericumOrganic chemistryTraditional medicineMedicineCatalysisNatural Compound Pharmacology StudiesBryophyte Studies and RecordsBiological Activity of Diterpenoids and Biflavonoids