title: The synthesis of justicidinoside B and its atropisomer.
abstract: The first synthesis of justicidinoside B and its atropisomer was reported and their absolute configurations were determined by the CD exciton chirality method. The structures were confirmed by (1)H NMR, (13)C NMR, and HRMS.
authors.affiliation: State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
authors.forename: Sheng-Peng
authors.initials: SP
authors.lastname: Wang
authors.forename: Yuan-Feng
authors.initials: YF
authors.lastname: Tong
authors.forename: Li
authors.initials: L
authors.lastname: Li
authors.forename: Song
authors.initials: S
authors.lastname: Wu
authors.forename: Yan
authors.initials: Y
authors.lastname: Qi
mesh_terms: D002942:Circular Dichroism; D017705:Lignans / Q000138:chemical synthesis* / Q000737:chemistry; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D013237:Stereoisomerism
chemical_list: D017705:Lignans; C583228:justicidinoside B