反应详情

was prepared in a similar manner as described in Scheme A8 Step B for (1-carbamoyl-1H-indol-3-yl)-acetic acid starting from (1-carbamoyl-5-fluoro-1H-indol-3-yl)-acetic acid ethyl ester. The crude product (yellowish solid) obtained after extractive work-up was used directly in the next step without purification. MS: 236.9 [M+H]+; tR (HPLC conditions b) 2.4 min.

1. customwas prepared in a similar manner