Trifluoroacetic acid → 1-(1-(4-(2-(5-Amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenyl)ethyl)pyrrolidine-3-carboxylic acid

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Reaction Steps

1-(1-(4-(2-(5-Amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenyl)ethyl)pyrrolidine-3-carboxylic acid was prepared from 1-(4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenyl)ethanone (from Example 171) and pyrrolidine-3-carboxylic acid (commercially available) following the procedures described for Example 187, except that in this case, acetic acid was used instead of triethylamine (30%). 1H NMR (Acetone-d6) TFA Salt: δ 8.81 (s, 1H), 8.75 (s, 1H), 8.70 (s, 1H), 8.28 (d, 1H), 7.59 (d, 2H), 7.37 (m, 3H), 4.46 (m, 1H), 4.21 (m 1H), 3.45 (m, 2H), 3.32 (m, 2H), 3.21 (m, 2H), 3.17 (m, 2H), 2.27 (m, 2H), 2.07 (s, 3H) 1.77 (d, 3H). LRMS [M+H]=455.2

Provenance & Evidence