HCID 59851805, compound → HCID 59851197, compound

Participants

Reaction Steps

In a manner similar to that described for Method P, {3-[2-(3,4-dimethoxy-phenylamino)-6-oxo-6,7-dihydro-5H-benzo[b]pyrimido[4,5-d]azepin-9-yl]-prop-2-ynyl}-carbamic acid tert-butyl ester (I-39) was converted to {3-[2-(3,4-dimethoxy-phenylamino)-6-oxo-6,7-dihydro-5H-benzo[b]pyrimido[4,5-d]azepin-9-yl]-propyl}-carbamic acid tert-butyl ester (I-41: HRMS Calcd. for C28H33N5O5: 520.2559, found 520.2551), which was subsequently deprotected (Method K) to give I-50 (80%) HRMS Calcd. for C23H25N5O3: 420.2035, Found 420.2045.

Provenance & Evidence