Methanol → Dimethyl Succinate

Reaktionsgleichung

[Na:1][Na].[CH3:3][O:4]C(C1[C:13](=[O:14])[CH2:12][CH:11]([C:15]([O:17][CH3:18])=[O:16])C(=O)C1)=O.[CH3:19][OH:20]>>[C:15]([O:17][CH3:18])(=[O:16])[CH2:11][CH2:12][C:13]([O:20][CH3:19])=[O:14].[CH3:3][O-:4].[Na+:1]

Komponenten

Edukt 3

HCID 887Methanol

HCID 948661,4-Cyclohexanedicarboxylic acid, 2,5-dioxo-, 1,4-dimethyl ester

HCID 141233Disodium

Produkt 2

HCID 7820Dimethyl Succinate

HCID 10942334Sodium Methoxide

Versuchsvorschrift

or dianilinodihydroterephthalic acids or the salts thereof, is characterised in that the suspension of the disodium salt of dimethyl succinylosuccinate, which suspension is obtained by condensation of dimethyl succinate in a 35-45 percent by weight solution of sodium methylate in methanol, is acidified, and the liberated dimethyl succinylosuccinate is condensed with at least 2 mols of a compound of the formula ##STR3## in which