Published January 1, 1995 | Version v1
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Diterpenoid alkaloids from Delphinium albiflorum

Description

Investigation of the aerial parts of Delphinium albiflorum resulted in the isolation and identification of deacetylheterophylloidine [1] along with hetidine [2] and lycoctonine [3]. Structure 1 for this previously unreported naturally occurring alkaloid was established on the basis of detailed nmr spectral studies and chemical correlation with deacetylheterophylloidine, obtained by the hydrolysis of heterophylloidine [4]. H-1- and C-13-nmr chemical shift assignments for 1 and 2 are reported herein.

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