Zhengyi Yang, Yinhua Yin, Lihong Hu
Abstract
Abstract magnified image Five new cassane‐type diterpenes, caesalpinista A (1), caesalpinista B (2), caesaljapin B (3), caesaljapin C (4), and caesalpinilinn (5) were isolated from the MeOH extract of the seeds of Caesalpinia crista. Their structures were elucidated by the analysis of their 1D‐ and 2D‐NMR spectra.
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Abstract magnified image Five new cassane‐type diterpenes, caesalpinista A (1), caesalpinista B (2), caesaljapin B (3), caesaljapin C (4), and caesalpinilinn (5) were isolated from the MeOH extract of the seeds of Caesalpinia crista. Their structures were elucidated by the analysis of their 1D‐ and 2D‐NMR spectra.
Key concepts: Caesalpinia, Crista, Chemistry, Stereochemistry, Two-dimensional nuclear magnetic resonance spectroscopy, Traditional medicine, Biochemistry, Medicine