Synthesis of ortho-methyldiphenylmethane

Details Synthesis of ortho-methyldiphenylmethane Synthesis of ortho-methyldiphenylmethane

1980-07-25

1981-12-08

Shaver, Paul F.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire cyclic molecules or entire...

C07C 202, C07C 612, C07C 1328

Patent

active

043049494

ABSTRACT:
A process for the preparation of ortho-methyldiphenylmethane, a compound useful as an intermediate in the synthesis of anthraquinone, using liquid hydrogen fluoride to catalyze the alkylation of benzene with .alpha.-chloro-o-xylene at temperatures from about -10.degree. C. to 10.degree. C.

REFERENCES:
patent: 2557505 (1951-06-01), Ipatieff et al.
patent: 2671815 (1954-03-01), Pines et al.
patent: 2742516 (1956-04-01), Schneider
patent: 2759984 (1956-08-01), Schlatter
patent: 2954412 (1960-09-01), Wulf et al.
patent: 3833677 (1974-09-01), Grard
patent: 4117019 (1978-09-01), Eilingsfeld et al.

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