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- W164197567 abstract "Treatment of commercially easily available quinoline, isoquinoline, benzo [f] quinoline, 5-, 6-, or 8-nitroquinoline, 2-, 4-, 6-, 7-, or 8-methylquinoline, and 6-methoxyquinoline with cyanogen bromide and sodium hydrogen carbonate in methanol affords the corresponding 1-cyano-2-methoxy-1, 2-dihydroquinolines and 2-cyano-1-methoxy-1, 2-dihydro-isoquinolines in a high yield. The yield of the objective compounds from this reaction is about twice that of the von Braun reaction not using sodium hydrogen carbonate. By the use of this reaction, synthesis of 3-bromoquinaldine, which had been difficult to synthesize heretofore, was established, and synthetic method for 3-bromo-4-(or 6-, 7-, 8-)-methylquinolines was also improved." @default.
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- W164197567 date "1979-01-01" @default.
- W164197567 modified "2023-10-14" @default.
- W164197567 title "Studies on Nitrogen-containing Heterocyclic Compounds. XXXVI. Improved von Braun Reaction with Nitrogen-containing Heterocyclic Compounds and Synthesis of 3-Bromoquinaldine from Quinaldine" @default.
- W164197567 doi "https://doi.org/10.1248/yakushi1947.99.5_445" @default.
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