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Description
2,6-Cyclocuparan-3-ols are chemical markers and major volatiles of several liverwort species. Conflicting reports on the structures of these cyclocuparanols can be found in the literature–different research groups assigned the same spectral data to different structures, yet these inconsistencies were never addressed, let alone satisfactorily explained. Following the isolation of all four diastereoisomeric cyclocuparanols from Marchantia polymorpha, their relative and absolute configurations were extensively studied by chemical and spectroscopic methods and definite stereostructures were proposed.1
This work was supported by the Ministry of Science, Technological Development and Innovations of the Republic of Serbia (Contract Number 451-03-47/2023-01/ 200124).
Keywords: Marchantia polymorpha, Marchantiaceae, liverwort, essential oil, cyclocuparanols, structural revision, microbiotol
References
1. Zlatković D., Đorđević Zlatković M., Radulović N. On the configuration and occurrence of 2,6-cyclocuparan-3-ols: Resolving a lasting discrepancy, Phytochemistry 2023, 207, 113566. DOI: 10.1016/j.phytochem.2022.113566
