2-(4-(((Benzyloxy)carbonyl)amino)-2-oxopyrimidin-1(2H)-yl)acetic acid → 1-(Benzothiazole-2-sulfonyl)-4-{[4-N-(benzyloxycarbonyl)-cytosin-1-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 [4-N-(benzyloxycarbonyl)-cytosin-1-yl]-acetic acid as per the procedure of Example 52. 1H NMR (500 MHz; DMSO-d6) δ 10.79 (brs, 1H), 8.34 (m, 1H), 8.26 (m, 1H), 7.91 (d, 0.6H), 7.85 (d, 0.4H), 7.45˜7.30 (m, 5H), 7.10 (t, 1H), 5.18 (s, 2H), 4.82 (s, 1.2H), 4.72 (s, 0.8H), 4.45 (s, 0.8H), 4.28 (s, 1.2H), 4.22 (t, 1.2H), 4.07 (t, 0.8H), 3.99 (t, 1.2H), 3.86 (t, 0.8H).

Provenance & Evidence