Iodinated Organic Compounds as Contrast Media for Radiographic Diagnoses. I. Iodinated Aracyl Esters1a

WH Strain, JT Plati, SL Warren

Index: Strain; Plati; Warren Journal of the American Chemical Society, 1942 , vol. 64, p. 1436,1438

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Citation Number: 28

Abstract

Summary Phenylglyoxal reacts with urea in cold basic solution to form 4-phenylhydantoin, and, when refluxed in basic solution to form on cooling and acidifying 2-ket0-4-phenyl-4~ 5- dihydroxytetrahy-droglyoxaline which on melting loses water to become 4-phenylhyda~ itoin. Phenylglyoxal and urea rcfluxrd it1 glacial