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Zur Halogenierung von Enaminen - Darstellung von β-Halogen-iminium-halogeniden (1979)

Seufert, Walter ; Effenberger, Franz

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 112 (1979), S. 1670-1676

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ISSN: 0009-2940

Keywords: Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Halogenation of Enamines - Synthesis of β-Halo-immonium HalidesEnamines 4-6 react with halides in diethylether under exclusion of oxygene and moisture at -78°C to give the isolable β-halo-immonium halides 7-9, 13-15, and 19 in good yields. Acid hydrolysis leads to the α-halo ketones 10-12, 16-18, and 20.

Notes: Die Enamine 4-6 bilden mit Halogenen in Diethylether bei -78°C unter Luft- und Feuchtigkeitsausschluß in sehr guter Ausbeute die isolierbaren β-Halogen-iminium-halogenide 7-9, 13-15 und 19. Die saure Hydrolyse führt zu den α-Halogenketone 10-12, 16-18, und 20.

Additional Material: 4 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/cber.19791120517

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