Method for the production of novel anhydride polycarboxylates

Details Method for the production of novel anhydride polycarboxylates Method for the production of novel anhydride polycarboxylates

1980-04-01

1981-08-04

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26034674, 562582, 562590, 562596, C07D30732

Patent

active

042821568

ABSTRACT:
Novel polyfunctional compounds and a process for their preparation are disclosed. These compounds and their alkali metal salts are useful metal sequestrants and/or detergent builders. Selected compounds are also intermediates useful in the syntheses of aconitic acid as well as isocitric and alloisocitric acids and their lactones. The novel polyfunctional compounds are obtained from the reaction of maleic anhydride with selected active methylene or methane containing compounds.

REFERENCES:
patent: 3318944 (1967-05-01), Wiley
patent: 3810923 (1974-05-01), Wiley
patent: 4022803 (1977-05-01), Gutierrez et al.
patent: 4123458 (1978-10-01), Gutierrez et al.
patent: 4123459 (1978-10-01), Gutierrez et al.
patent: 4146453 (1979-03-01), Gutierrez
patent: 4218381 (1980-08-01), Gutierrez et al.
Chem. Abstracts 56:3348a, 37:4364.sup.5.

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