Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1990-09-14
1992-09-22
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560 39, 560 53, 562427, 562440, 562462, C07C32122, C07C22914, C07C 6966, C07C25118
Patent
active
051498596
ABSTRACT:
A naphthalene derivative having the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group or a non-toxic salt moiety; R.sup.2 and R.sup.3 independently represent a hydrogen atom or --OR.sup.4 where R.sup.4 represents a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group;
A represents a group: ##STR2## [where X.sup.1 and X.sup.2 represents an oxygen atom or N--OR.sup.5 (where R.sup.5 represents a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group)], a group: ##STR3## [where Y.sup.1 and Y.sup.2 independently an oxygen atom or a group N--OR.sup.6 (where R.sup.6 represents a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group)], or a group: ##STR4## (where n is 0 or 1); and B represents --(CH.sub.2).sub.m --
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Hazato Atsuo
Kato Yoshinori
Takeyasu Takumi
Tomimori Koji
Clarke Vera C.
Dees Jos,e G.
Teijin Limited
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