Isolation of imidazole standards was
reported before.10 (link) Lepidilines A–E
(1 –5 ) were obtained in sufficient
amounts (10–20 mg).
Structure elucidation was performed by means of extensive spectroscopic
and computational techniques using the published protocol of the authors.20 (link) Standard purity was determined by means of the
total intensity method applied to the 1H NMR spectrum of
the purified compounds. Briefly, the total integration (area) of all 1H signals belonging to a lepidiline is compared to the total
integration of all signals observed in its 1H NMR spectrum.
reported before.10 (link) Lepidilines A–E
(
amounts (10–20 mg).
Structure elucidation was performed by means of extensive spectroscopic
and computational techniques using the published protocol of the authors.20 (link) Standard purity was determined by means of the
total intensity method applied to the 1H NMR spectrum of
the purified compounds. Briefly, the total integration (area) of all 1H signals belonging to a lepidiline is compared to the total
integration of all signals observed in its 1H NMR spectrum.
