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Benzopinacol is a catalyst of the formation of unsaturated polyesters. It is also used as an initiator of polymerisation by free radicals. It is also used as an organic synthesis intermediate.
Koichi Tanaka.; Satoshi Kishigami.; Fumio Toda. A new method for coupling aromatic aldehydes and ketones to produce .alpha.-glycols using zinc-zinc dichloride in aqueous solution and in the solid state. J. Org. Chem.1990 55, (9), 2981-2983.
Shuntaro Mataka.; Masashi Tashiro. Thermolysis of dimethyl 3,3-(2,2'-biphenylyl)-3H-pyrazole-4,5-dicarboxylate. J. Org. Chem.198146, (9), 1929-1931.
Undergoes pinacol rearrangement on treatment with sulfuric acid to give ɑɑɑ-triphenylacetophenone in high yield. With the superacidic triflic acid, however, dehydrative cyclization to 9,10-diphenylphenanthrene occurs: Synthesis, 321 (1996); Org. Synth., 76, 294 (1998). The same pruduct is obtained on treatment of ɑɑɑ-triphenylacetophenone or tetraphenyloxirane with superacid mixtures: J. Org. Chem., 62, 6666 (1997).