Purification of beta acids for hydrogenolysis and such purified

Details Purification of beta acids for hydrogenolysis and such purified Purification of beta acids for hydrogenolysis and such purified

1988-08-15

1990-04-17

Reamer, James H.

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

Organic compounds

Oxygen containing

568350, 568347, 568341, 568377, 426600, C07C 4578

Patent

active

049182404

ABSTRACT:
Beta acids, separated from hop extracts, are purified prior to hydrogenolysis by mixing with an aqueous solution of polyvalent metal ions, preferably edible ions such as magnesium or calcium ions, separating the aqueous beta acids from insoluble materials containing catalyst poisons, and recovering the thus-purified beta acids which are catalyst-poison free and in a form suitable for hydrogenolysis to 4-desoxy alpha acids.

REFERENCES:
patent: 3552975 (1971-01-01), Warden et al.
patent: 3892808 (1975-07-01), Mitchell
patent: 4154864 (1979-05-01), Grant
patent: 4160287 (1979-07-01), Moll et al.
patent: 4324810 (1982-04-01), Goldstein et al.
patent: 4590296 (1986-05-01), Cowles et al.
patent: 4778691 (1988-10-01), Todd et al.

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