2-amino-5-bromo-4-chlorobenzaldehyde

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-amino-5-bromo-4-chlorobenzaldehyde (5 g, 21.46 mmol) and urea (18 g, 300.0 mmol) was stirred at 180° C. for 5 hours. LCMS monitored the reaction was completed. The mixture was cooled to room temperature, washed with water (100 mL×3) and filtered. The filtration cake was dried to get the title compound as a yellow solid (6 g (crude, 100%). MS (ES+) C8H4BrClN2O requires: 258, 260, found: 259, 261 [M+H]+. The mixture was cooled to room temperature washed with water (100 mL×3) filtered The filtration cake was dried

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

Procedure: A mixture of (2-amino-5-bromo-4-chlorophenyl)methanol (6 g, 25.5 mmol) and manganese(IV) oxide (15.5 g, 0.178 mol) in dichloromethane (100 mL) was stirred at room temperature overnight. The solid was filtered off, and the filtrate was concentrated to give the title compound as a light yellow solid (5 g, 81%). MS (ES+) C7H5BrClNO requires: 233, 235, found: 234, 236 [M+H]+. The solid was filtered off the filtrate was concentrated

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-amino-5-bromo-4-chlorobenzaldehyde (5 g, 21.46 mmol) and urea (18 g, 300.0 mmol) was stirred at 180° C. for 5 hours. LCMS monitored the reaction was completed. The mixture was cooled to room temperature, washed with water (100 mL×3) and filtered. The filtration cake was dried to get the title compound as a yellow solid (6 g (crude, 100%). MS (ES+) C8H4BrClN2O requires: 258, 260, found: 259, 261 [M+H]+. The mixture was cooled to room temperature washed with water (100 mL×3) filtered The filtration cake was dried

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

Procedure: A mixture of (2-amino-5-bromo-4-chlorophenyl)methanol (6 g, 25.5 mmol) and manganese(IV) oxide (15.5 g, 0.178 mol) in dichloromethane (100 mL) was stirred at room temperature overnight. The solid was filtered off, and the filtrate was concentrated to give the title compound as a light yellow solid (5 g, 81%). MS (ES+) C7H5BrClNO requires: 233, 235, found: 234, 236 [M+H]+. The solid was filtered off the filtrate was concentrated

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-amino-5-bromo-4-chlorobenzaldehyde (5 g, 21.46 mmol) and urea (18 g, 300.0 mmol) was stirred at 180° C. for 5 hours. LCMS monitored the reaction was completed. The mixture was cooled to room temperature, washed with water (100 mL×3) and filtered. The filtration cake was dried to get the title compound as a yellow solid (6 g (crude, 100%). MS (ES+) C8H4BrClN2O requires: 258, 260, found: 259, 261 [M+H]+. The mixture was cooled to room temperature washed with water (100 mL×3) filtered The filtration cake was dried

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

Procedure: A mixture of (2-amino-5-bromo-4-chlorophenyl)methanol (6 g, 25.5 mmol) and manganese(IV) oxide (15.5 g, 0.178 mol) in dichloromethane (100 mL) was stirred at room temperature overnight. The solid was filtered off, and the filtrate was concentrated to give the title compound as a light yellow solid (5 g, 81%). MS (ES+) C7H5BrClNO requires: 233, 235, found: 234, 236 [M+H]+. The solid was filtered off the filtrate was concentrated