PROCESS FOR PREPARING DIALKYL DICHLORO SUCCINATE Russian patent published in 1995 - IPC

Abstract RU 2032659 C1

FIELD: organic chemistry. SUBSTANCE: the product is diethyl dichlorosuccinate of the empirical formula: C₈H₁₂O₄C₁₂. The degree of purity is 77.3%. Reagent 1: dialkyl maleate. Reagent 2: chlorine. Reaction conditions: in the presence of an alcohol. The maleate to chlorine to alcohol molar ratio is 1: 1.05-1.4: 0.09-0.15, the chlorine addition rate is 0.12-3.21 g/min, the process temperature is 20-4- C for 1.75-3.0 hr. EFFECT: improved process. 3 tbl

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RU 2 032 659 C1

Authors

Al'Bert Ehntoni Sivasko[Us]

Dates

1995-04-10—Published

1988-09-30—Filed