2-苯基苯甲酰肼

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 1.00 g (4.71 mmol) of 2-phenylbenzoic acid hydrazide are placed in 10 ml tetrahydrofuran at room temperature. 0.51 g (5.15 mmol) of isobutyl isocyanate, dissolved in 2 ml tetrahydrofuran, are rapidly added dropwise with stirring. The mixture is firstly stirred further at room temperature and then allowed to stand overnight. Addition of an equal volume of diethyl ether and 10 ml of cyclohexane results in separation of a small quantity of a solid, which is filtered off and discarded. Concentration of the filtrate yields 1.53 g (ca. 100% of theory) of a slightly THF-moist product, which is used further as such. are rapidly added dropwise The mixture is firstly stirred further at room temperature results in separation of a small quantity of a solid, which is filtered off Concentration of the filtrate yields 1.53 g (ca. 100% of theory) of a slightly THF-moist product, which

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred solution of biphenyl-2-carboxylic acid-hydrazide (0.212 g, 1.0 mmol) in 20 mL EtOH was added 3-trifluoromethyl-benzaldehyde (0.174 g, 1.0 mmol) in 5 mL EtOH at room temperature. The mixture was refluxed for 4 h and cooled to room temperature, then was diluted by 100 mL of water. The precipitate was collected, washed with MeOH, and dried to yield the title compound (0.320 g, 87%). 1H NMR (acetone-d6): 11.60 (s, 1H), 7.79 (s, 1H), 7.57 (s, 1H), 7.52 (d, J=12 Hz, 1H), 7.35 (d, J=12 Hz, 1H), 6.97˜7.15 (m, 10H). The mixture was refluxed for 4 h The precipitate was collected washed with MeOH dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred solution of biphenyl-2-carboxylic acid-hydrazide (0.212 g, 1.0 mmol) in 20 mL EtOH was added 3-trifluoromethyl-benzaldehyde (0.174 g, 1.0 mmol) in 5 mL EtOH at room temperature. The mixture was refluxed for 4 h and cooled to room temperature, then was diluted by 100 mL of water. The precipitate was collected, washed with MeOH, and dried to yield the title compound (0.320 g, 87%). 1H NMR (acetone-d6): 11.60 (s, 1H), 7.79 (s, 1H), 7.57 (s, 1H), 7.52 (d, J=12 Hz, 1H), 7.35 (d, J=12 Hz, 1H), 6.97˜7.15 (m, 10H). The mixture was refluxed for 4 h The precipitate was collected washed with MeOH dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 1.00 g (4.71 mmol) of 2-phenylbenzoic acid hydrazide are placed in 10 ml tetrahydrofuran at room temperature. 0.51 g (5.15 mmol) of isobutyl isocyanate, dissolved in 2 ml tetrahydrofuran, are rapidly added dropwise with stirring. The mixture is firstly stirred further at room temperature and then allowed to stand overnight. Addition of an equal volume of diethyl ether and 10 ml of cyclohexane results in separation of a small quantity of a solid, which is filtered off and discarded. Concentration of the filtrate yields 1.53 g (ca. 100% of theory) of a slightly THF-moist product, which is used further as such. are rapidly added dropwise The mixture is firstly stirred further at room temperature results in separation of a small quantity of a solid, which is filtered off Concentration of the filtrate yields 1.53 g (ca. 100% of theory) of a slightly THF-moist product, which