The present invention relates to an improved process for the preparation of Lamotrigine (I) comprising a step of cyclizing 2-(2,3-Dichlorophenyl)-2-(guanidinoimino)acetonitrile(III) in the presence of an alcohol and an acid.
本发明涉及一种改进的
拉莫三嗪(I)制备工艺,包括在醇和酸的存在下,将2-(2,3-二
氯苯基)-2-(
胍基亚硝基)
乙腈(III)环化的步骤。