4-((3R,5'S,7'S,7a'R)-6-chloro-7'-(3-chloro-2-fluorophenyl)-1-(hydroxymethyl)-5'-neopentyl-1',2-dioxo-7',7a'-dihydrospiro[indoline-3,6'-pyrrolo[1,2-c]imidazole]-2'(1'H,3'H,5'H)-yl)-2-methoxybenzoic acid 在
氨 、
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-) 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以38%的产率得到4-((3R,5'S,7'S,7a'R)-6-chloro-7'-(3-chloro-2-fluorophenyl)-1-(hydroxymethyl)-5'-neopentyl-1',2-dioxo-7',7a'-dihydrospiro[indoline-3,6'-pyrrolo[1,2-c]imidazole]-2'(1'H,3'H,5'H)-yl)-2-methoxybenzoic acid