Synthesis and chromogenic properties of some water-soluble 5-nitro-2-pyridylhydrazones.
…, Y Kawamonzen, T Odashima, H Ishii
Index: Ishi, Hajime; Odashima, Tsugikatsu; Kawamonzen, Yoshiaki; Katahira, Aoba-ku; Odashima, Tsugikatsu Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 12 p. 3398 - 3404
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Citation Number: 17
Abstract
Four new water-soluble hydrazones, α-(5-nitro-2-pyridyl) hydrazono-α-(2-quinolyl)-3- toluenesulfonic acid, α-(5-nitro-2-pyridyl) hydrazono-α-(2-thiazolyl)-3-toluenesulfonic acid, α- (2-benzothiazolyl)-α-(5-nitro-2-pyridyl) hydrazono-3-toluenesulfonic acid, and α-(2- benzimidazolyl)-α-(5-nitro-2-pyridyl) hydrazono-3-toluenesulfonic acid, were synthesized. Their proton dissociation constants were determined spectrophotometrically. The ...
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