O-amino(thio)phenolcarboxylic acids, and their preparation

Details O-amino(thio)phenolcarboxylic acids, and their preparation O-amino(thio)phenolcarboxylic acids, and their preparation

1999-09-01

2000-08-01

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562426, 562433, 562452, 562456, 562457, C07C21528, C07C32130, C07C22908, C07C22934

Patent

active

060969210

ABSTRACT:
The invention relates to novel o-aminophenolcarboxylic acids, and o-aminothiophenolcarboxylic acids of the following structure: ##STR1## where A.sup.1 to A.sup.7 are--independently of one another--H, F, CH.sub.3, CF.sub.3, OCH.sub.3, OCF.sub.3, CH.sub.2 CH.sub.3, CF.sub.2 CF.sub.3, OCH.sub.2 CH.sub.3 or OCF.sub.2 CF.sub.3, where at least one of the radicals A.sup.1 to A.sup.3 must be F or an F-containing group; T is O or S, and m is 0 or 1; and Z is a carbocyclic or heterocyclic aromatic radical.

REFERENCES:
patent: 4910282 (1990-03-01), Abraham et al.
Caplus 123:84170, Journal of Polymer Science, 1995, 33(11) pp. 1901-1906, Randy Johnson et al.
Caplus 121:58105, Journal of Polymer Science , 1994, 32(10), pp. 1899-1902, So Ying Hung.

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