Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-07-26
1995-05-16
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D32306
Patent
active
054162262
ABSTRACT:
A process for manufacturing a trimer of a low aliphatic aldehyde having 2-5 carbon atoms and the chlorinated 2-position is disclosed. The process comprises cyclically trimerizing said aliphatic aldehyde with chlorinated 2-position in the presence of a catalyst selected from the group consisting of metallic tin, metallic zinc, zeolite, and Lewis acids. It ensures easy separation of the catalyst from the target trimer and a high yield of the trimer. In addition, the unreacted raw material can be easily recovered.
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Chemical Abstracts, vol. 89, #646896, Tsushiya et al., 1978, "Treatment of chloroaldehyde-containing waste waters".
Miyakawa Tadashi
Suzuki Fukuichi
Tonouchi Naka
Wakasugi Takashi
Yamauchi Takashi
Covington Raymond
Ivy C. Warren
Kureha Chemical Industry Co. Ltd.
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