
Tetrahedron p. 6135 - 6146 (1998)
Update date:2022-08-03
Topics:
Burm, Brigitte E.A.
Meijler, Michael M.
Korver, Jacco
Wanner, Martin J.
Koomen, Gerrit-Jan
A straightforward synthesis of the brominated marine alkaloids arborescidine A (1), B (2) and C (3), starting from 6-bromo-(N-methyl) trypatamine is described. An equilibrium, under both basic and acidic conditions was found to exist between the trans- and cis-isomers 3 and 4. Spectral data indicated that the structure of isomer 4 does not correspond with the compound identified as arborescidine D recently isolated from the marine tunicate Pseudodistoma arborescens.
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