Chemical process

Details Chemical process Chemical process

1981-07-07

1983-03-15

Siegel, A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5115

Patent

active

043768679

ABSTRACT:
An improved process for the production of sodium salicylate and salicylic acid from phenol at a high degree of conversion with a concomitant reduction in undesirable by-products. The process comprises reacting a sodium phenolate with carbon dioxide in a direct, single step at a temperature above about 165.degree. C. to produce directly sodium salicylate, which is then converted by conventional means to the salicylic acid.

REFERENCES:
patent: 3435068 (1969-03-01), Gehring et al.
B.I.O.S. Final Report No. 664, Hem No. 22 (1946).

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