3,4-Difluorobenzoyl chloride → 7-(3,4-Difluorobenzoyl)-6,7-dihydro-5H-10-oxa-7-azabenzo[a]azulene-9-carboxylic acid ethyl ester

Participants

Reaction Steps

In a manner similar to Step F of Example 32, but using the intermediate 6,7-dihydro-5H-10-oxa-7-azabenzo[a]azulene-9-carboxylic acid ethyl ester and 3,4-difluorobenzoyl chloride, the title compound was prepared; 1NMR (CDCl3): δ 7.46-7.53 (4H, m), 7.34 (2H, m), 7.25 (2H, m), 4.33 (2H, q), 4.21 (2H, t), 3.17 (2H, t), 1.32 (3H, t). MS (ES): 398 (MH+).

Provenance & Evidence