Caustic hydrolysis of chlorobenzene to diphenyl oxide

Details Caustic hydrolysis of chlorobenzene to diphenyl oxide Caustic hydrolysis of chlorobenzene to diphenyl oxide

1976-06-14

1978-05-30

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568747, 568748, C07C 4100

Patent

active

040923649

ABSTRACT:
The process of preparing diphenyl oxide from caustically hydrolyzing chlorobenzene, wherein phenol is a by-product, is improved by recycling the phenol. The improvement not only maximizes the yield of diphenyl oxide while minimizing the yield of phenol, but it also increases the yield of desirable by-products, such as phenylphenols and biphenylylphenyl ethers.

REFERENCES:
patent: 1744961 (1930-01-01), Hale
patent: 1972605 (1934-09-01), Stoesser et al.
patent: 2008987 (1935-07-01), Marx et al.
patent: 2079383 (1937-05-01), Raeth et al.
patent: 2126610 (1938-08-01), Britton

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