R. Boyer, G. T. Barry
Jul 1, 1948
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Abstract
The compounds 1,1,1,2-tetrachloro-2,2-bis(4-chlorophenyl)ethane and 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT) are reported to rearrange to 4,4′-dichlorobenzil by the catalytic action of sulphuric acid. Two proposed mechanisms for this conversion are discussed. Attempts to rearrange other substituted alpha-diphenyltrichloroethanes to the corresponding benzils were unsuccessful.