Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1979-12-21
1981-12-08
Torrence, Dolph H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
2603409R, C07C13100
Patent
active
043049389
ABSTRACT:
3-Phenoxybenzene derivatives are prepared by a method which comprises the steps of(a) chlorinating benzaldehyde with chlorine gas in the presence of a hydrocarbon and a Lewis acid catalyst to obtain 3-chlorobenzaldehyde; (b) reacting the 3-chlorobenzaldehyde with ethylene glycol to obtain 2-(3-chlorophenyl)-1,3-dioxolane; (c) etherifying said dioxolane with an alkali phenolate to yield the intermediate 2-(3-phenoxyphenyl)-1,3-dioxolane and converting this intermediate to the corresponding aldehyde, cyanohydrin, sulfonic acid salt or oxime derivative.
REFERENCES:
patent: 3821253 (1974-06-01), Fried et al.
Cser nee Kun Judit
Gonczi Csaba
Heja Gergely
Kallay Tamas
Kiss Pal
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt
Ross Karl F.
Torrence Dolph H.
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