Semi-synthesis and structural elucidation of brevicanines A-D, four new C19-diterpenoid alkaloids with rotameric phenomenon from Aconitum brevicalcaratum.
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DOI: 10.1016/j.fitote.2019.03.012
Abstract: Four new C19-diterpenoid alkaloids brevicanines A-D (1-4) with rotameric phenomenon were isolated from Aconitum brevicalcaratum. They all possessed an unusual axial chiral phenyl-quinazoline side chain and their structures were elucidated by extensive spectroscopic analysis and… read more here.
Keywords: diterpenoid alkaloids; new c19; rotameric phenomenon; four new ... See more keywords