盐酸 、
(-)-6,7-dichloro-5-[3-methoxymethyl-5-(1-oxidopyridin-3-yl)4H-1,2,4-triazol-4-yl]-2,3(1H,4H)-quinoxalinedione 在
silica 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以to afford the title compound as a white solid (1.4 g, 65%)的产率得到(-)-6,7-dichloro-5-[3-methoxymethyl-5-(1-oxidopyridin-3-yl)-4H-1,2,4-triazol-4-yl]-2,3(1H,4H)-quinoxalinedione hydrate