2,4,6-三氟苯甲酸 、
二苯基膦叠氮化物 、
N-[(2'-nitro-1,1'-biphenyl-4-yl)methyl]-N-pentylamine 、
三乙胺 以N′-[(2′-nitro-1,1′-biphenyl-4-yl)methyl]-N′-pentyl-N-(2,4,6-trifluorophenyl)urea (0.60 g) was obtained by a similar procedure as in Example 4的产率得到N'-[(2'-nitro-1,1'-biphenyl-4-yl)methyl]-N'-pentyl-N-(2,4,6-trifluorophenyl)urea