Novel analgesics and molecular rearrangements in the morphine–thebaine group. Part XXII. Deamination of 7β-aminomethyl-6,14-endo-etheno-7α-methyl-6,7,8,14-tetrahydrothebaine
Abstract
Deamination of 7β-aminomethyl-6,14-endo-etheno-7-methyltetrahydrothebaine (1a) gives the C-homocodeinone derivative (7) whereas the corresponding ethano-derivative undergoes ring expansion only.
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