Synthesis of an Unsymmetrical naphthalein indicator dye from an indole-6-sulfonamide

R Cournoyer, DH Evans, S Stroud…

Index: Journal of Organic Chemistry, , vol. 56, # 14 p. 4576 - 4579

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Citation Number: 5

Abstract

... COLORLESS 2 BLUE b- 650nm in the highly alkaline (pH -14) photographic reagent while the chemistry of image ... H), 4.58 (br q, J = 4 Hz, 1 H), 2.73 (8, 3 H), 2.69 (d, J = 4 Hz ... The organic layer was separated, washed with water (2 x 100 mL), dilute hydrochloric acid solution (2 x ...