3-methoxy-4-nitrophenylglyoxal 、 乙二胺 在
crude product 、 silica 、 二氯甲烷 、 乙醇 、 三乙胺 、 mixture 作用下,
50.0 ℃
、2.67 MPa
条件下,
以After concentration of the eluate under reduced pressure (20 kPa) at approximately 50° C., the expected product (18 g) is obtained in the form of a red oil, which的产率得到
参考文献:
名称:
Benzo[1,8]naphthyridine derivatives, their preparation and compositions