Ethyl 2-((2-(benzo[d]thiazole-2-sulfonamido)ethyl)amino)acetate → N-[2-(Benzothiazole-2-sulfonylamino)-ethyl]-N-{[2-N-(benzhydryloxycarbonyl)-guanin-9-yl]-acetyl}-glycine ethyl ester

Participants

Reaction Steps

The title compound (2.61 g, 70%) was synthesized by the reaction of N-[2-(benzothiazole-2-sulfonylamino)-ethyl]-glycine ethyl ester (1.72 g, 5 mmol) and [2-N-(benzhydryloxycarbonyl)-guanin-9-yl]-acetic acid (2.10 g, 5 mmol) as per the procedure of Example 20. 1H NMR (500 MHz; DMSO-d6) δ 11.63 (bs, 1H), 11.23 (bs, 1H), 8.27 (d, 1H), 8.17 (t, 1H), 7.80 (s, 0.6H), 7.76 (s, 0.4H), 7.65 (m, 2H), 7.50˜7.25 (m, 10H), 6.86 (s, 1H), 5.12 (s, 1.2H), 4.93 (s, 0.8H), 4.44 (s, 0.8H), 4.18 (q, 0.8H), 4.08 (s, 1.2H), 4.04 (q, 1.2H), 3.65 (t, 1.2H), 3.45 (t, 1.2H), 3.41 (t, 0.8H), 3.21 (t, 0.8H), 1.23 (t, 1.2H), 1.17 (t, 1.8H).

Provenance & Evidence