N,N-dimethyl-2,3,4,5-tetrahydro-1H-1-benzazepin-5-amine

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the mixture was added 66.5 g of 4-[2-(2-chloro-phenyl)acetylamino]benzoyl chloride with ice-cooling and stirring. The mixture was stirred overnight at room temperature. The reaction mixture was mixed with water, followed by extraction with dichloromethane. The dichloromethane layer was dried over magnesium sulfate and then subjected to vacuum distillation to remove the solvent. The residue was purified by silica gel column chromatography and then recrystallized from methanol to obtain 99.3 g of 5-dimethylamino-1-{4-[2-(2-chlorophenyl)acetylamino]benzoyl}-2,3,4,5-tetrahydro-1H-benzoazepine. cooling The mixture was stirred overnight at room temperature followed by extraction with dichloromethane The dichloromethane layer was dried over magnesium sulfate subjected to vacuum distillation to remove the solvent The residue was purified by silica gel column chromatography recrystallized from methanol

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the solution was added 40 g of p-nitrobenzoyl chloride with ice-cooling and stirring. The resulting mixture was stirred overnight at room temperature. The reaction mixture was mixed with an appropriate amount of water. The resulting crystals were collected by filtration and dried to obtain 71 g of 5-dimethylamino-1-(4-nitro-benzoyl)-2,3,4,5-tetrahydro-1H-benzoazepine. cooling The resulting mixture was stirred overnight at room temperature The resulting crystals were collected by filtration dried

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzazepine (50 g) in a mixture of acetone (400 ml) and water (200 ml) is added potassium carbonate (38.8 g), and thereto is added p-nitrobenzoyl chloride (40 g) with stirring under ice-cooling, and the mixture is stirred at room temperature overnight. To the reaction mixture is added an appropriate amount of water, and the precipitated crystals are collected by filtration and dried to give 5-dimethylamino-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-benzazepine (71 g) as pale yellow powder, mp. 139°-142° C. cooling the mixture is stirred at room temperature overnight the precipitated crystals are collected by filtration dried

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the mixture was added 66.5 g of 4-[2-(2-chloro-phenyl)acetylamino]benzoyl chloride with ice-cooling and stirring. The mixture was stirred overnight at room temperature. The reaction mixture was mixed with water, followed by extraction with dichloromethane. The dichloromethane layer was dried over magnesium sulfate and then subjected to vacuum distillation to remove the solvent. The residue was purified by silica gel column chromatography and then recrystallized from methanol to obtain 99.3 g of 5-dimethylamino-1-{4-[2-(2-chlorophenyl)acetylamino]benzoyl}-2,3,4,5-tetrahydro-1H-benzoazepine. cooling The mixture was stirred overnight at room temperature followed by extraction with dichloromethane The dichloromethane layer was dried over magnesium sulfate subjected to vacuum distillation to remove the solvent The residue was purified by silica gel column chromatography recrystallized from methanol

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the solution was added 40 g of p-nitrobenzoyl chloride with ice-cooling and stirring. The resulting mixture was stirred overnight at room temperature. The reaction mixture was mixed with an appropriate amount of water. The resulting crystals were collected by filtration and dried to obtain 71 g of 5-dimethylamino-1-(4-nitro-benzoyl)-2,3,4,5-tetrahydro-1H-benzoazepine. cooling The resulting mixture was stirred overnight at room temperature The resulting crystals were collected by filtration dried

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzazepine (50 g) in a mixture of acetone (400 ml) and water (200 ml) is added potassium carbonate (38.8 g), and thereto is added p-nitrobenzoyl chloride (40 g) with stirring under ice-cooling, and the mixture is stirred at room temperature overnight. To the reaction mixture is added an appropriate amount of water, and the precipitated crystals are collected by filtration and dried to give 5-dimethylamino-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-benzazepine (71 g) as pale yellow powder, mp. 139°-142° C. cooling the mixture is stirred at room temperature overnight the precipitated crystals are collected by filtration dried

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro-1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the mixture was added 66.5 g of 4-[2-(2-chloro-phenyl)acetylamino]benzoyl chloride with ice-cooling and stirring. The mixture was stirred overnight at room temperature. The reaction mixture was mixed with water, followed by extraction with dichloromethane. The dichloromethane layer was dried over magnesium sulfate and then subjected to vacuum distillation to remove the solvent. The residue was purified by silica gel column chromatography and then recrystallized from methanol to obtain 99.3 g of 5-dimethylamino-1-{4-[2-(2-chlorophenyl)acetylamino]benzoyl}-2,3,4,5-tetrahydro-1H-benzoazepine. cooling The mixture was stirred overnight at room temperature followed by extraction with dichloromethane The dichloromethane layer was dried over magnesium sulfate subjected to vacuum distillation to remove the solvent The residue was purified by silica gel column chromatography recrystallized from methanol

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 38.8 g of potassium carbonate was added to a solution of 50 g of 5-dimethylamino-2,3,4,5-tetrahydro -1H-benzoazepine dissolved in 400 ml of acetone and 200 ml of water. To the solution was added 40 g of p-nitrobenzoyl chloride with ice-cooling and stirring. The resulting mixture was stirred overnight at room temperature. The reaction mixture was mixed with an appropriate amount of water. The resulting crystals were collected by filtration and dried to obtain 71 g of 5-dimethylamino-1-(4-nitro-benzoyl)-2,3,4,5-tetrahydro -1H-benzoazepine. cooling The resulting mixture was stirred overnight at room temperature The resulting crystals were collected by filtration dried