Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1992-04-03
1994-03-15
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
548476, 548480, 562480, C07C 5106
Patent
active
052947386
ABSTRACT:
A process for the selective hydrodefluorination of a tetrafluorophthalimide compound of the formula ##STR1## where X is 1 and R is a monovalent organo group; or X is 2 and R is a divalent organo group; comprises reacting (I) the tetrafluorophthalimide with zinc in an aqueous alkali metal hydroxide medium. The product may be hydrolyzed to form 3,4,6-trifluorophthalic acid.
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O'Reilly et al., SYNLETT, Jun. 1990; pp. 339-340.
Derwin William S.
Fertel Lawrence B.
Stults Jeffrey S.
Clarke Vera C.
Cookfair Arthur S.
Dees Jos,e G.
Jones Wayne A.
Occidental Chemical Corporation
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