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- W2169656318 abstract "1.5-Dimethyl-bicyclo[3.l.0]hexandion-(2.4) (5) wird durch cyclisierende Esterkondensation aus cis-2-Acetyl-l.2-dimethyl-cyclopropancarbonsäure-methylester (4) hergestellt. Bei einem Enol-Gehalt von 20% beträgt der pK-Wert 6.12. Bei der Einwirkung von Alkali kann keine Säurespaltung beobachtet werden. Der oxydative Abbau ergibt cis-1.2-Dimethyl-cyclopropandicarbonsäure-(1.2). On the Bicyclo[3,l,0]hexane-2,4-dione System 1,5-Dimethyl-bicyclo[3,l,0]hexane-2,4-dione (5) is prepared by cyclic ester condensation from methyl cis-2-acetyl-1,2-dimethylcyclopropanecarboxylate (4). With 20% enol the pK value amounts to 6.12. Acid cleavage is not found under the influence of alkali. Oxidative degradation leads to cis- 1,2-dimethylcyclopropane-1,2-dicarboxylic acid." @default.
- W2169656318 created "2016-06-24" @default.
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- W2169656318 date "1970-08-27" @default.
- W2169656318 modified "2023-09-25" @default.
- W2169656318 title "Zur Kenntnis des Bicyclo[3.1.0]hexandion-(2.4)-Systems" @default.
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- W2169656318 doi "https://doi.org/10.1002/jlac.19707380105" @default.
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