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- W1977098081 abstract "Thiazoliumsalz-katalysierte Additionen von aliphatischen Etheraldehyden und Pyrancarbaldehyden an Vinylketone führen zu entsprechenden 1-Alkoxy-2,5-alkandionen 1–11 und Pyranyl-1,4-alkandionen 28–47. In gleicher Weise reagieren Aldehyde mit 1-Aldehyde mit 1-Acetoxy-3-buten-2-on zu den 1-Acetoxy-2,5-alkandionen 12–19, die nach Verseifung die 1-Hydroxy-5-alkyl-2,5-pentan-dione 20–27 liefern. Addition of Aldehydes to Activated Double Bonds, XXVII1) Preparations and Reactions of Alkoxy- and acetoxy-2,5-diones Thiazolium salt-catalyzed addition of aliphatic ether-aldehydes and pyrancarbaldehydes leads to corresponding 1-alkoxy-2,5-alkanediones 1–11 and pyranyl-1,4-alkanediones 28–47. In the same manner aldehydes react with 1-acetoxy-3-buten-2-one to give 1-acetoxy-2,5-alkanediones 12–19, which after saponification yield the 1-hydroxy-5-alkyl-2,5-pentanediones 20–27." @default.
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- W1977098081 date "1981-02-01" @default.
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- W1977098081 title "Addition von Aldehyden an aktivierte Doppelbindungen, XXVII <sup>1)</sup> Herstellung und Reaktionen von Alkoxy‐ und acetoxy‐2,5‐diketonen" @default.
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- W1977098081 doi "https://doi.org/10.1002/cber.19811140218" @default.
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