Monatshefte fur Chemie p. 435 - 442 (1992)
Update date:2022-09-26
Topics:
Hosztafi, Sandor
Berenyi, Sandor
Toth, Geza
Makleit, Sandor
A new route for the stereohomogeneous synthesis of N-demethyl-N-substituted-14-hydroxydihydromorphines 2a-f has been elaborated, involving O-demethylation of the novel dihydrocodeine derivatives 6a-f, obtained upon alkylation of the hitherto unknown N-demethyl-14-hydroxydihydrocodeine (5). Keywords. 6α,14β-Diacetoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinan, N-demethylation of; 3,6α,14β-Triacetoxy-17-alkyl-4,5α-epoxymorphinan, N-demethylation of; 17-Alkyl-4,5α-epoxy-6α,14β-dihydroxy-3-methoxymorphinan, O-demethylation of; 4,5α-Epoxy-6α,14β-dihydroxy-3-methoxymorphinan, N-alkylation of.
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