title: Conformational analysis and NMR assignments of dibenzoxocins from Sappan Lignum.
authors.affiliation: State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, 100191, China.
authors.forename: Ming-Bo
authors.initials: MB
authors.lastname: Zhao
authors.affiliation: College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China.
authors.forename: Chen-Qiu
authors.initials: CQ
authors.lastname: Cai
authors.affiliation: State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, 100191, China.
authors.forename: Peng-Fei
authors.initials: PF
authors.lastname: Tu
authors.affiliation: College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China.
authors.forename: Li
authors.initials: L
authors.lastname: Tang
mesh_terms: D029911:Caesalpinia / Q000737:chemistry*; D002853:Chromatography, Liquid; D002942:Circular Dichroism; D008968:Molecular Conformation; D035964:Oxocins / Q000737:chemistry*; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification; D066244:Proton Magnetic Resonance Spectroscopy / Q000379:methods*; D013237:Stereoisomerism
chemical_list: D035964:Oxocins; D010936:Plant Extracts
keywords: Caesalpinia sappan L; NMR; conformation; dibenzoxocin; variable temperature