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The relevance of ester exchange in oxalacetic esters to the decarbonmonoxylation reaction

โœ Scribed by Anthony L Fitzhugh; Richard S Strauss; Elizabeth N Brewer; Steven D Glassman; Maitland Jones Jr.

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
198 KB
Volume
26
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Oxalacetic esters undergo ester exchange at 120' C, at which temperature loss of CO does not occur. A new mechanism Is proposed for the decarbonmonoxylation reaction.

The conversion of oxalacetic esters to malonic esters was exploited as early as 1894,3 and remains a useful and well documented procedure.4 Yet little is known of the mechanism of this venerable reaction. In 1924 D. L. Watson discovered that the reaction was unimolecular5 and many years later it was shown that the traditional catalysts were

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โœ S. B. Hait; S. Sivaram ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 695 KB

Poly(ethy1ene terephthalate-co-bisphenol A carbonate) was synthesized by ester-carbonate interchange reaction in the solid state. The polymerization reaction was carried out by heating two chemically distinct oligomers, namely, poly(ary1 carbonate) and poly(ethy1ene terephthalate) in the temperature