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Report | Regular issue | Vol 14, No. 8, 1980, pp.1127-1130
Published online, 1st January, 1970
DOI: 10.3987/R-1980-08-1127
Studies Aiming at the Synthesis of Morphine I. Separation and Characterization of the Amide Rotamers of 6’-Halogeno-N-formyl-norreticulines

Csaba Szántay,* Gábor Blaskó, Marietta Bárczai-Beke, Gábor Dörnyei, and Lajos Radics

*Institute for Organic Chemistry, Technical University Budapest, H-1521 Budapest, P.O. Box 91Gellért tér 4, Hungary


Via direct halogenation of N-substituted norreticulines, number of 6’-halogeno derivatives were prepared. The physical and spectroscopic properties of the successfully separated crystalline rotamers of both 6’-bromo- and 6’-chloro-N-formyl-norreticuline were studied.