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- W2070131497 abstract "Reaction of 3-methoxy-17-methylmorphinan-6-one (1) and formaldehyde with the presence of calcium hydroxide in aqueous dioxane gave 7,7-bis(hydroxymethyl)-3-methoxy-17-methyl-5-methylenemorphinan-6β-ol (2a). Catalytic reduction of 2a yielded the 5α-methyl compound, 2b. Tosylation of 2a,b followed by lithium triethylborohydride reduction gave either 7α-methyl-6β,7β-oxetanes 4a,b or 7,7-dimethyl-6β-ols 5a,b, depending on reaction conditions. The C-6 ketones 6a,b were prepared by oxidation of 5a,b. One compound in this series, 6a, had antinociceptive activity." @default.
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- W2070131497 date "1981-10-01" @default.
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- W2070131497 title "Reaction of 3-methoxy-17-methylmorphinan-6-one with formaldehyde" @default.
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- W2070131497 doi "https://doi.org/10.1002/jhet.5570180608" @default.
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