Organomercury compounds. XIV. The preparations of bispolychlorophenylmercury compounds by mercuration reactions

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Abstract
The bispolychlorophenylmercurials R2Hg (R = C6Cl5 2,3,4,5-Cl4H, 2,3,4,6- Cl4C6H 2,3,5,6-C14C6H, 2,3,4-Cl3C6H2, 2,4,6-Cl2C6H2, and 2,5-Cl2C6H3) have been prepared by direct mercuration of pentachlorobenzene, 1,2,3,4-tetrachlorobenzene, 1,2,3,5-tetrachlorobenzene, 1,2,4,5-tetraohlorobenzene, 1,2,3-trichlorobenzene, 1,3,5-trichlorobenzene, and 1,4-dichlorobenzene respectively, with mercuric trifluoroacetate at elevated temperatures. Similar syntheses of bispentachlorophenylmercury from mercuric difluoroacetate and fluoroacetate have also been carried out. From merouration of pentaohlorobenzene with mercuric trifluoroaoetate and difluoroacetate under milder conditions, pentachlorophenylmercuric trifluoroacetate and difluoroacetate have been obtained. The former undergoes thermal decomposition into bispenta chlorophenylmercury and mercuric trifluoroacetate.

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