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Kristallstruktur eines Dimethylamino-3,3-dimethyl-4(3H)-pyridons


Bieri, Jost H; Prewo, Roland; Heimgartner, Heinz (1982). Kristallstruktur eines Dimethylamino-3,3-dimethyl-4(3H)-pyridons. CHIMIA International Journal for Chemistry, 36(1):7-9.

Abstract

Crystal structure of a 2-dimethylamino-3,3-dimethyl-4(3H)-pyridone
3-Dimethylamino-2,2-dimethyl-2H-azirine (1) reacts with alkyl phenyl substituted cyclopropenones 2 in benzene at 130 °C to give a mixture of the two isomeric 4(3H)-pyridones 3 and 4, resulting from a nucleophilic attack at C(2) and C(1) of the cyclopropenone. In acetonitrile the isomer 3 is formed exclusively. The crystal structure of the 5-isopropyl derivative 3a (R = CH(CH3)2) has been established by X-ray structure determination.

Abstract

Crystal structure of a 2-dimethylamino-3,3-dimethyl-4(3H)-pyridone
3-Dimethylamino-2,2-dimethyl-2H-azirine (1) reacts with alkyl phenyl substituted cyclopropenones 2 in benzene at 130 °C to give a mixture of the two isomeric 4(3H)-pyridones 3 and 4, resulting from a nucleophilic attack at C(2) and C(1) of the cyclopropenone. In acetonitrile the isomer 3 is formed exclusively. The crystal structure of the 5-isopropyl derivative 3a (R = CH(CH3)2) has been established by X-ray structure determination.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:German
Date:1982
Deposited On:30 Jul 2014 15:00
Last Modified:05 Apr 2016 18:00
Publisher:Swiss Chemical Society
ISSN:0009-4293
Official URL:https://chimia.ch

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