Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1997-02-21
1998-03-17
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4565
Patent
active
057288887
ABSTRACT:
Hydroxylated benzophenonens are prepared from completely or partially methylated hydroxybenzophenones by reacting these methyl ethers with AlCl.sub.3 and subsequently hydrolyzing with water, the reaction being carried out in the presence of one or more compounds from the class of ureas or carboxamides.
REFERENCES:
patent: 2694729 (1954-11-01), Wynn et al.
patent: 2861105 (1958-11-01), Stanley
CA 93: 26183, Abs from Indian J. Chem 1979, 17B(4) 382-4-"Part I Synthesis of Basic Ethers from phenolic 2-aroyl-3-phenyl Benzofurans".
CA 101: 54714 Abst from JP58216139 -1982 Hydroxybenzophenones.
Database WPI, Derwent Publications, JP 5 8216-139, Dec. 15, 1983.
Aumuller Alexander
Bottcher Peter
Brill Gunter
BASF - Aktiengesellschaft
Ivy C. Warren
Vollano Jean F.
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