HCID 67317254, compound → HCID 54684192, compound

Participants

Reaction Steps

The compound of Step 6 was stirred in dichloromethane/trifluoroacetic acid (8/2 v/v) for 1 hour, then concentrated under reduced pressure and purified by RP HPLC (C18, 5 μM, H2O/MeCN with 1% of TFA as eluant) affording desired compound as trifluoroacetic salt. 1H NMR (300 MHz, CD3CN) δ 12.68 (bs, 1H), 9.96 (bs, 1H), 7.50 (d, J=7.51 Hz, 1H), 7.45-7.41 (m, 1H), 7.21 (t, J=8.62 Hz, 1H), 5.55-5.46 (m, 2H), 4.75 (dd, J=14.6 Hz, J=6.8 Hz, 1H), 4.67 (dd, J=14.6 Hz, J=6.3 Hz, 1H), 4.24-4.05 (m, 3H), 3.96-3.92 (m, 1H), 3.39-3.36 (m, 1H), 3.24 (s, 3H), 3.19 (s, 3H), 3.18 (s, 3H), 2.46 (s, 3H); MS (ES) C22H27FN6O5 requires 474. Found: 475 (M+H+).

Provenance & Evidence