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- W1589604122 abstract "An improved non-oxidative photochemical synthesis of aporphine derivatives has been developed, in which o-halobenzylidenetetrahydroisoquinolines are irradiated in the presence of potassium t-butoxide. The yield (72%) of one such product, N-carbethoxynorneolitsine (25) is the highest ever reported for any cyclization producing the aporphine ring system. Compound 25 was converted in two steps to cassameridine (4), confirming the suggested structure of this oxoaporphine. The natural bases dehydrodicentrine (26) and dicentrine (3) were also synthesized using the improved photochemical approach." @default.
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- W1589604122 date "1973-01-01" @default.
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- W1589604122 title "An improved photochemical aporphine synthesis" @default.
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- W1589604122 doi "https://doi.org/10.1016/s0040-4020(01)93344-7" @default.
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