tert-butyl N-(4-aminobutyl)carbamate → HCID 59851078, compound

Participants

Reaction Steps

In a manner similar to that described Method N, 2-(3,4-dimethoxy-phenylamino)-6-oxo-6,7-dihydro-5H-benzo[b]pyrimido[4,5-d]azepine-9-carboxylic acid (I-53) and tert-butyl 4-aminobutylcarbamate were converted to (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, which was subsequently deprotected (Method K) to give I-73 (25%): HRMS Calcd. for C25H28N6O4: 477.2250, Found 477.2250.

Provenance & Evidence