反应详情

In a similar manner to Example, starting material step 1 (b), the product of step (a) (10.12 g), pyridine (500 ml), triethylamine (80 ml) and H2S gas were reacted to give ethyl 4-[3-(4-thiocarbamoylbenzoyl)ureido]phenoxyacetate (11 g) as a yellow solid: NMR Spectrum (DMSO-d6) 1.21 (3H, t), 4.18 (2H, q), 4.74 (2H, s), 6.93 (2H, d), 7.49 (2H, d), 7.95 (2H, d), 8.03 (2H, d), 9.64 (1H, br s), 10.03 (1H, br s), 10.60 (1H, s), 11.04 (1H, s); Mass Spectrum m/Z 402 (M+H)+.