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Synthese und Deoxygenierung substituierter 1-Azaadamantan-4,6-dione by Nikolaus Risch; Ulrich Billerbeck; Evelyn Krieger is a Chemistry article available to read on EtoBox.

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Radical deoxygenation, nBu3SnH i Ammonium salts Synthesis and Deoxygenation of Substituted 1-Azaadamantane-4.6-diones 1-Azaadamantanes 5 and a variety of derivatives are accessible Treatment with NaBH4/MeOH and subsequent chlorination by a triple Mannich reaction of 1,3-~yclohexanediones 1 with give the dichlorides 4, which are dehalogenated with hexamethylenetetramine to yield the 1-azaadamantane-4,6-nBu,SnH. Quaternary ammonium salts 6 are available in high diones 2. Deoxygenation of the sterically hindered and non-yields. enolizable P-dioxo group in 2 succeeds by radical processes.

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Author

Nikolaus Risch; Ulrich Billerbeck; Evelyn Krieger

Publisher

Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0009-2940)

Published

1992

Language

DE

Field

Chemistry (Physical Sciences)