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Diphenyldichloromethane

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Diphenyldichloromethane

Diphenyldichloromethane is an organic compound with the formula (C6H5)2CCl2. It is a colorless solid that is used as a precursor to other organic compounds.

It is prepared from carbon tetrachloride and anhydrous aluminium chloride as catalyst in a double Friedel-Crafts alkylation of benzene. Alternatively, benzophenone is treated with phosphorus pentachloride:

It undergoes hydrolysis to benzophenone.

Reductive dehalogenation of diphenyldichloromethane with copper or with nickel gives tetraphenylethylene:

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