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Phloroglucinol Derivatives from Myrtus communis ‘Variegata’ and Their Antibacterial Activities
Author(s) -
Wu Yan,
Chen Ming,
Wang WenJing,
Li NiPing,
Ye WenCai,
Wang Lei
Publication year - 2020
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.202000292
Subject(s) - phloroglucinol , myrtus communis , chemistry , enantiomer , adduct , stereochemistry , organic chemistry , chromatography , essential oil
Myrtucomvalones D–F, three new triketone‐phloroglucinol‐triketone adducts, and three known ones (myrtucommulone E, myrtucommulone D and callistenone D) were obtained from Myrtus communis ‘Variegata’. Myrtucomvalone D is a pair of enantiomers which was further resolved into (+)‐myrtucomvalone D and (−)‐myrtucomvalone D by chiral HPLC. Their structures and complete stereochemistry were established from interpretation of NMR and crystallographic data and chemical calculations. Myrtucomvalone F, myrtucommulone D and callistenone D showed significant antibacterial activities.