HRID2214519

反应详情

EQUATION

反应方程式

HRID 2214519 的结构方程式

PROCEDURE

实验过程

3-[(3,4-Dichloro-benzyl-methyl-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 12-B) was treated with paraformaldehyde and glycine as described in the preparation of Compound 12. The title compound was isolated as a white solid (80 mg, 43% yield). Mp=178–180° C. 1H NMR (300 MHz, DMSO) δ: 12.97 (bs, 1H), 11.07 (s, 1H), 7.62 (d, 1H, J=8.41), 7.53 (s, 1H), 7.25 (d, 1H, J=6.95), 4.59 (s, 2H), 4.15 (s, 2H), 4.10 (s, 2H), 2.98 (s, 3H). HRMS (M−H) calcd for C15H13N2Cl2O5: 371.0201. found: 371.0216.