1-(Benzothiazole-2-sulfonyl)-piperazin-2-one trifluoroacetic acid salt → 1-(Benzothiazole-2-sulfonyl)-4-{[2-N-(benzyloxycarbonyl)-guanin-9-yl]-acetyl}-piperazin-2-one

Participants

Reaction Steps

The title compound was synthesized by the reaction of 1-(benzothiazole-2-sulfonyl)-piperazin-2-one trifluoroacetic acid salt with [2-N-(benzyloxycarbonyl)-guanin-9-yl]-acetic acid as per the procedure of Example 52. 1H NMR (500 MHz; DMSO-d6) δ 11.35 (bs, 2H), 8.34 (m, 1H), 8.25 (m, 1H), 7.81 (s, 0.6H), 7.77 (s, 0.4H), 7.71 (m, 2H), 7.45˜7.30 (m, 5H), 5.23 (s, 2H), 5.13 (s, 1.2H), 5.02 (s, 0.8H), 4.51 (s, 0.8H), 4.27 (s, 1.2H), 4.24 (t, 1.2H), 4.08 (t, 0.8H), 4.03 (t, 1.2H), 3.85 (t, 0.8H).

Provenance & Evidence