Acetic Acid → HCID 118939095, compound

Participants

Reaction Steps

To 600 mg (2.64 mmol) 1,2,3,4-tetrahydro-isoquinoline-5-carboxylic acid methyl ester hydrochloride and 657 mg (2.64 mmol) [(S)-1-(4-formyl-phenyl)-ethyl]-carbamic acid tert-butyl ester (example II) in 5 mL THF are added 452 μL (7.91 mmol) AcOH and the mixture is stirred at r.t. for 10 min. After that time, the resulting mixture is cooled to 0° C., 838 mg (3.95 mmol) sodium triacetoxyborohydride are added and the reaction mixture is stirred at r.t. for 2 h. The reaction is quenched by the addition of 500 μl water and purified by HPLC (ACN/H2O/NH3).

Provenance & Evidence