Halomethyl-metal compounds : LVII. A convenient synthesis of aryl(trifluoromethyl)mercury compounds☆
作者： Dietmar Seyferth , Steven P. Hopper , Gerald J. Murphy
DOI: 10.1016/S0022-328X(00)88319-9
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摘要: Abstract Phenyl(trifluoromethyl)mercury, a useful difluorocarbene precursor, is conveniently prepared by the sequence: HgO→Hg(O2CCF3)2→CF3HgO2CCF3→ CF3HgBr→PhHgCF3. The last step involves substituent exchange reaction between CF3HgBr and diphenylmercury. Similar exchanges CF3HgI, CF3HgCl CF3HgO2CCF3 diphenylmercury are described. A recent report (J. Organometal. Chem., 36 (1972)227) that fluorophenyl(trifluoromethyl)mercury compounds can be decarboxylation of respective fluorophenylmercuric trifluoroacetates in 1,2-dimethoxyethane at 60–70° shown to incorrect comparison claimed products with authentic m- p-FC6H4HgCF3 FC6H4HgO2CCF3. 19F NMR data for number CF3—Hg reported.
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