Stannous Chloride → HCID 57770617, compound

Participants

Reaction Conditions

Reaction Steps

5-Amino-4′-methyl-biphenyl-3-carboxylic acid (2-methoxy-1-methyl-ethyl)-amide (596 mg, 2 mmol) was dissolved in 6 mL of concentrated HCl and stirred for 15 minutes at 0° C. To the reaction mixture was added a solution of NaNO2 (138 mg, 2 mmol) in water (1.5 mL) dropwise at 0° C. The mixture was stirred for 30 minutes, and then a solution of SnCl2 (4.5 mmol, 189.6 mg) in 2 mL of concentrated HCl was added dropwise. A precipitate began to form immediately. After stirring for another 30 minutes, the resulting 5-hydrazino-4′-methyl-biphenyl-3-carboxylic acid (2-methoxy-1-methyl-ethyl)-amide was isolated as a hydrochloride salt by filtration and immediately used in the next step.

Provenance & Evidence