Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1987-12-08
1989-06-20
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
562528, C07C 6975
Patent
active
048410969
ABSTRACT:
A cyclohexane-2,5-dione-1,4-ylene-bis (-3-propionic acid) derivative represented by the formula ##STR1## wherein R is hydrogen or alkyl. The derivative is prepared by heating a cyclohexane-2,5-dione derivative represented by the formula ##STR2## wherein R is as defined above, and R.sub.1 is alkyl, in the presence of water.
REFERENCES:
patent: 3024268 (1962-03-01), Struve
Chang, Chem. Abstr., 50: 7725g (1956).
Chang, Chem. Abstr., 55: 133356 (1961).
Nippon Gosei Kaagaku Kogyo
Shippen Michael L.
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