Process for the preparation of .alpha.,.alpha.,.alpha.',.alpha.'

Details Process for the preparation of .alpha.,.alpha.,.alpha.',.alpha.' Process for the preparation of .alpha.,.alpha.,.alpha.',.alpha.'

1975-09-29

1977-08-23

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260592, C07C 2900, C07C 2710

Patent

active

040440583

ABSTRACT:
An improved process for the preparation of an .alpha.,.alpha.,.alpha.',.alpha.'-tetramethyl-phenylene-biscarbinol by the oxidation of at least one diisopropyl benzene with air or oxygen at elevated temperatures in the presence of an aqueous solution of a strong alkali, the improvement comprises carrying out the oxidation with a carbinol content of at least 52% by weight in the organic phase and an alkali concentration of at least 8% by weight based on the aqueous phase and 1 to 10% by weight based on the organic phase.

REFERENCES:
patent: 2438125 (1948-03-01), Lorand et al.
patent: 2548435 (1951-04-01), Lorand et al.
patent: 3402205 (1968-09-01), Gregory
patent: 3420893 (1969-01-01), Faltings et al.
patent: 3555101 (1971-01-01), Buysch et al.
patent: 3567786 (1971-03-01), Bostian et al.

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