New norlignan enantiomers from the fruit of Crataegus pinnatifida with neuroprotective activities
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DOI: 10.1016/j.cclet.2019.09.042
Abstract: Abstract (±)-Crataegusnorin A (1a/1b) and B (2a/2b), two pairs of rare 8,9′-epoxy-type norlignan enantiomers featuring a γ-butyrolactone ring, were isolated from the fruit of Crataegus pinnatifida. Their structures were determined via extensive spectroscopic analyses. Gauge-independent… read more here.
Keywords: neuroprotective activities; norlignan enantiomers; new norlignan; crataegus pinnatifida ... See more keywords