5-(3-Benzyloxycarbonylamino-prop-1-ynyl)-thiophene-2-carboxylic acid tert-butyl ester → 5-(3-Amino-propyl)-thiophene-2-carboxylic acid tert-butyl ester

참여 물질

반응 단계

To a solution of 5-(3-benzyloxycarbonylamino-prop-1-ynyl)-thiophene-2-carboxylic acid tert-butyl ester (1.0 g, 2.69 mmol) in 15 mL MeOH and 2.69 mL 1N HCl (aq) was added Pd(OH)2. The mixture was placed on a Parr shaker and was hydrogenated under 45 psi H2 for 16 h. The mixture was filtered through Celite®, the catalyst was replaced, and the reaction was shaken for another 6 h. The mixture was filtered through Celite® and concentrated in vacuo. The residue was chased with CCl4 and was triturated with Et2O. The product was isolated as a solid (360 mg).

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