Preparation of alkali metal choline salicylate salt complexes

Details Preparation of alkali metal choline salicylate salt complexes Preparation of alkali metal choline salicylate salt complexes

1976-12-22

1978-07-04

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 9100

Patent

active

040988139

ABSTRACT:
Choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds of the formula, ##STR1## WHEREIN Me represents the sodium, potassium or lithium ion and R represents the sulfite, bisulfite, metabisulfite, dithionate, hydrosulfite and hyposulfite groups are described. Said compounds are stable and inhibit the formation of color in pharmaceutical preparations containing the same. The method for the preparation of choline salicylate sulfite and choline salicylate alkali metal sulfite-containing compounds, and pharmaceutical dosage forms containing the same are disclosed together with a method for their use to inhibit color formation.

REFERENCES:
patent: 3069321 (1962-12-01), Kahn et al.
patent: 3855282 (1974-12-01), Kelly et al.
patent: 3947491 (1976-03-01), Kelly et al.
patent: 4001311 (1977-01-01), Kelly et al.

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