Method for the disproportionation of highly alkylated phenols wi

Details Method for the disproportionation of highly alkylated phenols wi Method for the disproportionation of highly alkylated phenols wi

1977-11-17

1978-11-14

Thomas, Jr., James O.

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

Organic compounds

Oxygen containing

C07C 3716

Patent

active

041257367

ABSTRACT:
This invention provides an improved process for the disproportionation of highly alkylated phenols with phenol using an improved magnesium oxide catalyst promoted with tungsten oxide, silica sol, and sodium silicate. The method provides a catalyst having a high reactivity, high surface area, and high crush strength compared to known magnesium oxide, tungsten oxide catalysts. The catalyst is useful in phenol methylation and disproportionation. The effect of silica sol and sodium silicate is synergistic since these materials alone will not catalyze these reactions. Surprisingly, the catalyst will not disproportionate olefins.

REFERENCES:
patent: 3968172 (1976-07-01), Ichikawa et al.
patent: 4060560 (1977-11-01), Leach

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