Process for making allylic esters of tetrabromophthalic acid

Details Process for making allylic esters of tetrabromophthalic acid Process for making allylic esters of tetrabromophthalic acid

C - Chemistry, Metallurgy

07

C

260/472.8

C07C 69/83 (2006.01)

Patent

CA 1197260

Abstract: PROCESS FOR MAKING ALLYLIC ESTERS OF TETRABROMOPHTHALIC ACID Allylic esters of tetrabromophthalic acid are formed using allylic alcohol both as a reactant and a solvent. In the first step, the alcohol and a base are reacted with tetrabromophthalic anhydride to form the half-ester sodium salt. In the second step, the half-ester sodium salt is reacted with allylic halide to form the diester which crystallizes from solution. The excess solvent may be treated to recover the raw materials or recycled.

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