Hydrochloric Acid → HCID 59851217, compound

Participants

Reaction Steps

To a mixture of (2-{[2-(3,4-dimethoxy-phenylamino)-6-oxo-6,7-dihydro-5H-benzo[b]pyrimido[4,5-d]azepine-9-carbonyl]-amino}-ethyl)-carbamic acid tert-butyl ester (I-71-a) (0.18 mmol) in 1:1 mixture of CH2Cl2:MeOH (4 mL) was added 4M HCl in dioxane (2 mL). The mixture stirred overnight and was concentrated. The mixture was purified by C-18 RP LC-MS chromatography to give I-71 (17%): HRMS Calcd. for C23H24N6O4: 449.1937, Found 449.1935.

Provenance & Evidence