Method for preparation of citraconic acid and derivatives thereof
AssigneeDenki Kagaku Kogyo Kabushiki Kaisha
InventorsChiyuki Fujii, Yoshio Kosai, Iwao Kibayashi
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Abstract
A method of preparing citraconic acid and derivatives thereof comprising reacting methylsuccinic acid and derivatives thereof (such as an acid halide, an acid anhydride, a monoester and a diester) with chlorine in the absence of or in the presence of a catalyst at a temperature ranging from about 100.degree. to 500.degree.C.
Claims5
A method for the preparation of citraconic acid and derivatives thereof comprising reacting methylsuccinic acid, methylsuccinic acid halide, methylsuccinic acid anhyride, methylsuccinic acid monoesters or diesters wherein said esters are those with aliphatic alcohols having 1 to 8 carbon atoms and with aromatic alcohols, or a mixture thereof with chlorine at a temperature ranging from about 100.degree. to 500.degree.C.
Dependencies are inferred from the claim text.