caa a22 4500 469039248 CHVBK 20180323132806.0 cr unu---uuuuu 170328e19920501xx s 000 0 eng 10.1007/BF00817599 doi (NATIONALLICENCE)springer-10.1007/BF00817599 Morphine alkaloids, part 114. A stereohomogeneous synthesis of N-demethyl-N-substituted-14-hydroxydihydromorphines [Elektronische Daten] [Sándor Hosztafi, Sándor Berenyi, Géza Tóth, Sándor Makleit] Synthese von N-Demethyl-N-Substituierten-14-Hydroxydihydromorphinen in stereochemisch einheitlicher Form Summary: A new route for the stereohomogeneous synthesis of N-demethyl-N-substituted-14-hydroxydihydromorphines2 a - f has been elaborated, involving O-demethylation of the novel dihydrocodeine derivatives6 a - f, obtained upon alkylation of the hitherto unknown N-demethyl-14-hydroxydihydrocodeine (5). Springer-Verlag, 1992 6α,14β-Diacetoxy-4,5α-epoxy-3-methoxy-17-methyl-morphinan, N-demethylation of nationallicence 3,6α,14β-Triacetoxy-17-alkyl-4,5α-epoxymorphinan, N-demethylation of nationallicence 17-Alkyl-4,5α-epoxy-6α,14β-dihydroxy-3-methoxymorphinan, O-demethylation of nationallicence 4,5α-Epoxy-6α,14β-dihydroxy-3-methoxymorphinan, N-alkylation of nationallicence Hosztafi Sándor Alkaloida Chemical Factory, H-4440, Tiszavasvári, Hungary aut Berenyi Sándor Department of Organic Chemistry, Kossuth Lajos University of Debrecen, P.O. Box 20, H-4010, Debrecen, Hungary aut Tóth Géza Isotope Laboratory of the Hungarian Academy of Sciences, P.O. Box 521, H-6701, Szeged, Hungary aut Makleit Sándor Department of Organic Chemistry, Kossuth Lajos University of Debrecen, P.O. Box 20, H-4010, Debrecen, Hungary aut Monatshefte für Chemie / Chemical Monthly Springer-Verlag 123/5(1992-05-01), 435-441 0026-9247 123:5<435 1992 123 706 https://doi.org/10.1007/BF00817599 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00817599 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hosztafi Sándor Alkaloida Chemical Factory, H-4440, Tiszavasvári, Hungary aut NATIONALLICENCE 700 1- Berenyi Sándor Department of Organic Chemistry, Kossuth Lajos University of Debrecen, P.O. Box 20, H-4010, Debrecen, Hungary aut NATIONALLICENCE 700 1- Tóth Géza Isotope Laboratory of the Hungarian Academy of Sciences, P.O. Box 521, H-6701, Szeged, Hungary aut NATIONALLICENCE 700 1- Makleit Sándor Department of Organic Chemistry, Kossuth Lajos University of Debrecen, P.O. Box 20, H-4010, Debrecen, Hungary aut NATIONALLICENCE 773 0- Monatshefte für Chemie / Chemical Monthly Springer-Verlag 123/5(1992-05-01), 435-441 0026-9247 123:5<435 1992 123 706 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer