T. Matsuura, R. Nakashima, Takehiro Ohe
1967
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Journal
Journal of The Chemical Society C: Organic
Abstract
The formation of 4,4′-dihydroxy-3,3′,5,5′-tetraiodobenzophenone by oxidative coupling of 4-hydroxy-3,5-di-iodophenylpyruvic acid with 4-hydroxy-3,5-di-iodobenzoic acid has been investigated using radio-active tracers. It is shown that the carbonyl group of the benzophenone is derived from the methylene carbon atom of 4-hydroxy-3,5-di-iodophenylpyruvic acid.