C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/06 (2006.01) C07C 51/00 (2006.01) C07C 51/02 (2006.01) C07C 63/68 (2006.01) C07D 209/48 (2006.01)
Patent
CA 2054073
CASE 6300 JHE/sek/kmf PREPARATION OF 3,5 -DICHLOROPHTHALIC ACID AND 3,5-DICHLOROPHTHALIC ANHYDRIDE ABSTRACT Polychlorophthalimides, specifically, N-substituted tetrachlorophthalimides and N-substituted trichlorophthalimides may be treated with zinc and a base in aqueous solution to yield, after acidification, the product 3,5-dichlorophthalic acid or salts thereof.
Fertel Lawrence B.
Lin Henry C.
O'reilly Neil J.
Fertel Lawrence B.
Lin Henry C.
O'reilly Neil J.
Occidental Chemical Corporation
Swabey Ogilvy Renault
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