108-94-1
环己酮
+
95-54-5
1,2-苯二胺
→
~89%
27429-80-7
spiro[benzimidazole-2,1'-cyclohexane]
3190-03-2
1,3-dihydrospiro[2H-benzimidazole-2,1'-cyclohexane]
~87%