can produce up to 22.7 g of product in the laboratory. Some reactions require less tha Method used for synthesizing azo compound using solid particle one kettle method - Paragraph 0150; 0151; 0152; 0158; 0160, (
The technical points are: to join in the mixed solvent of chloro-o-nitroaniline and catalyst to control the temperature 15 ~ 100 ℃, 0.5 to 4 hours after completion of the dropping diketene, the reaction was continued at this temperature for 0.5-6 hours to prepare for chlorine o nitroaceto...
There is obtained 20.5 parts by weight of 2-chloro-2'-methyl-6'-ethyl-N-(3(5)-methyl-1,2,4-triazol-1-yl-methyl)-acet anilide as a crystalline powder (m.p. 89°-91° C.), which melts at 90° to 93° C. after recrystallization from a 3:1 mixture of toluene and petroleum ...
Wepster, B. M. Steric effects on mesomerism. XIII: Preparation of 2,6-dimethyl-4-nitroaniline. Recl. TraV. Chim. Pays-Bas 1954, 73, 809-818.Burgers, J.; Hoffnagel, M. A.; Verkade, P. E.; Visser, H.; Wepster, B. M. Steric Effects on Mesomerism. XVII. Some Properties of ...