ExcerptTo a cold solution of 5-trifluoromethyl-2,4-dihydropyrazol-3-one [1,2] (0.76 g, 5 mmol) in ethanol (25 ml) containing sodium acetate (0.82 g, 10 mol), p-tolyldiazonium chloride [ca. 5 mmol; prepared by adding a solution of sodium nitrite (5 mmol / 2 ml H2O) to an ice cold solution of p-toluidine in 2 ml conc. HCl] was added dropwise with stirring at 0-5°C.[...] View Full-Text
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Zohdi, H.F.; Rateb, N.M. 4-p-Tolylazo-5-trifluoromethyl-2,4-dihydropyrazol-3-one. Molbank 2003, 2003, M305.
Zohdi HF, Rateb NM. 4-p-Tolylazo-5-trifluoromethyl-2,4-dihydropyrazol-3-one. Molbank. 2003; 2003(1):M305.Chicago/Turabian Style
Zohdi, Hussein F.; Rateb, Nora M. 2003. "4-p-Tolylazo-5-trifluoromethyl-2,4-dihydropyrazol-3-one." Molbank 2003, no. 1: M305.
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