Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1994-10-18
1996-02-13
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 6974
Patent
active
054912555
ABSTRACT:
A process for the transesterification of dimethyl succinylsuccinate with one or more aliphatic alcohols which in each case have at least 2 C atoms, in the presence of an acidic catalyst and in the presence or absence of a diluent which is inert under the reaction conditions, with exclusion of oxygen and under pressure, at least one of the two methoxy groups being replaced by the oxy group corresponding to the alcohol used.
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Sinnreich et al., "176. Chemistry of Succinyl Succinic Acid Derivatives. Part V"). On the Transesterification of Succinyl Succinates, Helvetica Chimica Acta, vol. 62, Fasc. 5, 1979 1682 1687.
Liebermann, Esters of Succinylsuccinates and Their Reactions with Ammonia and Primary Amines, Annalen d. Chemie 404, 272-321 (1911).
Altreiter Johann
Mostl Franz
Schwarz Franz T.
Chemie Linz GmbH
Dees Jos,e G.
Williams Rosalynd A.
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