The Journal of Organic Chemistry

Formation of Quinoxalone Dye in the Color Photographic Coupling Reaction

PM Mader

Index: Mader,P.M. Journal of Organic Chemistry, 1962 , vol. 27, p. 2217 - 2220

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Citation Number: 2

Abstract

CE" 174 CeHi 1, 3 CirHio' 4, 4' 86 148 CiaHi2NsSz 30.43 a New compound. With detonation. Diphenylmethane. 25 ml. of dimethylformamide, cooled to 5 O, and agitated by a magnetic stirring bar. There was then added 4 ml. of 4 N hydrochloric acid and 0.4 g.(0.006 mole) of sodium nitrite in 5 ml. of water over a 10-min. period. A yellowgreen solid precipitated immediately. The reaction was maintained at 5-10'for 20 min. The crude ...