Selective removal and recovery of catechol mixed with 2-methally

Details Selective removal and recovery of catechol mixed with 2-methally Selective removal and recovery of catechol mixed with 2-methally

1982-02-18

1983-12-13

Helfin, Bernard

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

Organic compounds

Oxygen containing

568652, C07C 3786

Patent

active

044206429

ABSTRACT:
A process is disclosed for selectively removing catechol from a mixture comprising catechol, 2-methallyloxyphenol, various salts, and by-products by treating the mixture with aqueous base, the aqueous phase being preferably saturated with respect to salts present; the catechol may then be recovered for recycle by acidifying the resulting aqueous phase and extracting the acidified aqueous phase with a suitable organic solvent.

REFERENCES:
patent: 3274260 (1966-09-01), Levy et al.
patent: 3927118 (1975-12-01), Ozretich
patent: 4250333 (1981-02-01), Rakoutz
The Merck Index, 7th Ed., (1960), 879-880.
Chem. Abstracts, 70, 313, Abstract 87555b, (1969).

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