Preparation of N-hydroxy(N-羟基)-2-[2-(4-oxo-4H-benzo[d][2,3]-triazin-3-ylethyl]-3-(4-chlorobiphenyl-4-thio) propionamide (2-2).step 1: Preparation of tert-buty-2-[2-(4-oxo-4H-benzo[d][2,3]triazin -3-ylethyl)]-3-(4-chlorobiphenyl-4-thio) propionate(丙酸脂). This compound was prepared by(准备) the same procedure as for 3-1 step 1 using 4- chlorobiphenyl tri-n-butyl stannane(丁基锡烷). Yield (2g, 47%). H NMR (200MHz, CDCl3): &(ppm) 8.4-8.15 (2d, 2H, o-Phtriazine), 7.9-7.75 (2t, 2H, m-Phtriazine), 7.4 (m, 8H, PhPh), 4.5 (t, 2H, NCH2), 3.3-3.05 (2dd, 2H, CH2S), 2.65 (m, 1H, CHCO), 2.35 (m, 2H, NCH2CH2), 1.5 (s, 9H, tBu). IR: Vmax 1723, 1684cm. (M+Na+)(C28H28ClN3O3S): calcd: 544.1438. found: 544.1462.
Step2: Preparation of 2-[2-(4-oxo-4H-benzo[d][2,3]-triazin-3-ylethyl]-3-(4-chlorobiphenyl-4-thio) propionamide acid (3-2). This compound was prepared by the same procedure as for 3-1 step 2 using the compound obtained in step 1 as the starting material. Yield (2.1g, 87%) HNMR (200MHz, CDCl3): & (ppm) 8.3-8.15 (2d, 2H, o-Phtriazine), 7.9-7.7 (2t, 2H, m-Phtriazine), 7.6-7.25 (m, 8H, PhPh), 4.6 (t, 2H, NCH2), 3.4-3.1 (2dd, 2H, CH2S), 2.7 (m, 1H, CHCO), 2.4 (m, 2H, NCH2CH2). IR: Vmax 1735, 1649cm. (M+Na+) (C24H20ClN3O3S): calcd: 488.0812. found: 488.0841.
Step3: preparation of N-allyloxy-2-[2-(4-oxo-4H-benzo[d][2,3]-triazin-3-ylethyl]-3-(4-chlorobiphenyl-4-thio) propionamide. This compound was prepared by(准备) the same procedure(同样的步骤) as for 2-1 step 3 using 3-2 as as the starting material. Yield (1.7g, 79%) HNMR (300MHz, DMSOd6): & (ppm) 11.15 (m, 1H, NH), 8.25(dd, 2H, o-Phtriazine), 8.2-7.9 (m, 2H, m-Phtriazine), 7.9-7.5 (m, 6H, PhPh), 7.45 (d, 2H, PhPh), 5.9 (m, 1H, CHCH2), 5.3 (m, 2H, CHCH2), 4.35 (t, 2H, NCH2), 4.3 (d, 2H,OCH2), 3.25 (m, 2H, CH2S), 2.35 (m, 1H, CHCO),2.15 (m, 2H, NCH2CH2). IR: Vmax 3217, 1681, 1657cm. anal (C27H25ClN4O3S): C, H, N, calcd: 62.24, 4.84, 10.75. found: 62.19, 4.86, 10.92.