Ammonium formate → 4-Butylamino-5-amino-10-aza-tricyclo[6.3.1.02,7]dodeca-2(7),3,5-triene-10-carboxylic acid tert-butyl ester

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Reaction Steps

4-Butylamino-5-nitro-10-aza-tricyclo[6.3.1.02,7]dodeca-2(7),3,5-triene-10-carboxylic acid tert-butyl ester (460 mg, 1.27 mmol) was treated with ammonium formate (850 mg, 12.7 mmol) and 10% Pd(OH)2/C (50 mg) in methanol (20 mL) and brought to reflux for 1 hour then filtered through a Celite pad and concentrated. The solids were treated with saturated aqueous Na2CO3 solution, extracted with CH2Cl2 (3×30 mL) and dried by filtration through a cotton plug to give an oil (440 mg, 100%).

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