Abstract
A route has been developed for the synthesis of 6-substituted 4a-methyl-1,2,3,4,4a,10b-hexahydrophenanthridines and -9,10-benzophenanthridines. The effect has been shown of the nature of the substituent at position 10 of the ring on the chemical shift of the proton at position 10b.
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Shklyaev, Y.V., Nifontov, Y.V. Simple Synthesis of 6-Substituted 4a-Methyl-1,2,3,4,4a,10b-hexahydrophenanthridines and -9,10-Benzophenanthridines. Chemistry of Heterocyclic Compounds 40, 594–598 (2004). https://doi.org/10.1023/B:COHC.0000037314.13773.dc
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DOI: https://doi.org/10.1023/B:COHC.0000037314.13773.dc