反应详情

Trifluoroacetic acid (2 ml) was added to 3-[4-(3,4-dimethyl-4,10-dihydro-3H-2,3,4,9-tetraaza-benzo[f]azulene-9-carbonyl)-2-methyl-phenyl]-propionic acid tert-butyl ester from Example E80.1 (46 mg, 0.10 mmol) in dichloromethane (5 ml). The mixture was stirred for 2 h at room temperature then concentrated in vacuo to yield the title compound (40 mg, 100%).

1. concentrationthen concentrated in vacuo