HRID2121262

反应详情

EQUATION

反应方程式

HRID 2121262 的结构方程式

PROCEDURE

实验过程

4-nitro-2-(2-tolyl)benzoic acid (1.72 g, 6.7 mmol) was coupled with (L)-leucine methyl ester in the presence of EDCI and HOBT to give the desired compound (2.55 g, 99% yield). 1H NMR (CDCl3) δ 8.29 (d, J=8.7 Hz, 1H), 8.10-8.16 (m, 2H), 7.18-7.42 (m, 4H), 5.76 (d, J=7.6 Hz, 1H), 4.49 (br m, 1H), 3.66 (s, 3H), 2.19 (s, 1H), 2.08 (s, 2H), 1.30-1.39 (m, 1H), 1.02-1.09 (m, 2H), 0.75-0.80 (dd, J=6.7 and 7.1 Hz, 6H).