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Paper | Regular issue | Vol 26, No. 8, 1987, pp.2191-2198
Published online, 1st January, 1970
DOI: 10.3987/R-1987-08-2191
Synthesis of Novel 7,7’-Bis-6a,7-dehydronoraporphines

Akino Jossang, Michel Lebœuf, and André Cavé

*Laboratoire de Pharmacognosie, URA 1843 CNRS(BIOCIS), Faculte de Pharmacie, Université Paris XI, 92296 Chatenay-Malabry Cedex, France


New dimers, (±)-bisdehydroanonaine 5a, (±)-bisdehydroxylopine 5c, (±)-bisdehydronornantenine 5d and (±)-7-dehydroxyiopinyl-7’-dehydronornantenine 8, and the previously described (±)-urabaine 5b, were prepared from dehydroxyiopine 3c and known dehydronoraporphines 3a, 3b, and 3d via dimerization at the β-carbon of cyclic secondary enamines.