3,3-二氟三甲叉亚胺 盐酸盐 、
7'-(5-(2,4-difluorobenzyl)-1,3,4-thiadiazol-2-yl)-3'-ethyl-5'-hydroxy-1'-methyl-4',6'-dioxo-1',3',4',6'-tetrahydrospiro[cyclohexane-1,2'-pyrido[2,1-f][1,2,4]triazine]-4-carboxylic acid 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 、
甲醇 、
水 为溶剂,
反应 17.0h,
生成 7'-(5-(2,4-difluorobenzyl)-1,3,4-thiadiazol-2-yl)-3'-ethyl-5'-hydroxy-1'-methyl-4',6'-dioxo-1',3',4',6'-tetrahydrospiro[cyclohexane-1,2'-pyrido[2,1-f][1,2,4]triazine]-4-carboxylic acid 、 7'-(5-(2,4-difluorobenzyl)-1,3,4-thiadiazol-2-yl)-3'-ethyl-5'-hydroxy-1'-methyl-4',6'-dioxo-1',3',4',6'-tetrahydrospiro[cyclohexane-1,2'-pyrido[2,1-f][1,2,4]triazine]-4-carboxylic acid