反应详情

Pipemidic acid (53 mg, 0.175 mmol) and 2-methoxyphenyl isothiocyanate (20 μL, 0.145 mmol) were used. Purification on silica yielded compound 21 in Table 1, below (36 mg, 53%). 1H NMR (250 MHz, CDCl3) δ 9.33 (s, 1H), 8.68 (s, 1H), 7.84 (d, J=7.30 Hz, 1H), 7.54 (s, 1H), 7.20-7.04 (m, 1H), 7.03-6.85 (m, 2H), 4.44-3.73 (m, 13H), 1.49 (t, J=6.60 Hz, 3H) ppm.

1. customPurification on silica yielded compound 21 in Table 1