反应详情

Following the procedure of Example 30, triethylamine (0.43 mL, 3.1 mmol), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide (0.31 g, 1.6 mmol), N-hydroxybenzotriazole (0.22 g, 1.6 mmol), N-Cbz-Phe-Ala-OH (0.51 g, 1.4 mmol), and 7,8,9,10-tetrahydro-6H-benzo[b]-cyclohepta[d]furan-2-ylamine (0.25 g, 1.2 mmol) provided N-[(benzyloxy)carbonyl]-L-phenylalanyl-N1-7,8,9,10-tetrahydro-6H-benzo[b]cyclohepta[d]furan-2-yl-L-alaninamide (0.17 g). MS (ESI) m/z 554 ([M+H]+).