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Communication | Regular issue | Vol 23, No. 5, 1985, pp.1069-1072
Published online, 1st January, 1970
DOI: 10.3987/R-1985-05-1069
Crassifolazonine, a New Type of Dibenz[d,f]azonine Alkaloid

José Manuel Boente, Domingo Domínguez, and Luis Castedo*

*Facultad de Química y Sección de Alcaloides, Deparamento de Química Orgánica, C. S. I. C., Santiago de Compostela, Spain


The isolation of crassifolazonine, a dibenzazonine with a new type of tetrasubstitution pattern at 2,3,12,13 positions is described. This is the first example of a dibenzazonine possibly derived from a diphenolic benzylisoquinoline by an ortho-para coupling.