Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1987-11-16
1990-02-06
Ceperley, Mary E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
568632, 568635, C07C14800, C07C 43275
Patent
active
048989827
ABSTRACT:
A method is disclosed for the preparation of diaryl ethers and diaryl sulfides by heating a phenol, a thiophenol, a .beta.-hydroxy-substituted fused armomatic ring-system compound or a .beta.-thio-substituted fused aromatic ring-system compound in the presence of thoria deposited on a neutral support.
REFERENCES:
patent: 2436125 (1948-02-01), Spence
patent: 4085143 (1978-04-01), Holmes
patent: 4465889 (1984-08-01), Anthony et al.
S. Karuppannasamy et al., J. Catalysis 63, 433-437 (1980), Reactions of Phenols and Alcohols over Thoria.
E. Briner et al., Heb. Chin. Acta., vol. 15, Aug. 1932, pp. 1234-1241, Catalytic Dehydration of Phenols (English translation).
S. Karuppannasamy et al., Proc. Nat'l. Symp. Catal., 4th , 1978, p. 443, Investigations of Phenol Decomposition on Thoria Catalysts.
S. Karuppanasamy et al., J. Catalysis, 66, 281-289 (1980), Reactions of Phenols and Alcohols over Thoria: Mechanism of Ether Formation.
Abstract of Japanese Patent 84-315126, published Nov. 8, 1984.
Sabatier et al., Comptes rendus, vol. 151, 1910, pp. 492-494.
Sabatier et al., Comptes rendus, vol. 155, 1912, pp. 260-262.
Amoco Corporation
Ceperley Mary E.
Henes James R.
Magidson William H.
Medhurst Ralph C.
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