反应详情

N,N'-Bis(4-methoxycarbonylphenyl)benzamidine (1) was prepared from methyl 4-aminobenzoate and α,α,α-trichlorotoluene; pale-yellow crystals: mp 180°-182° C. 1H-NMR (CDCl3) 8.0-7.0 (m, 14H), 3.8 (s, 6H); IR (CDCl3) 3330, 1705, 1585; MS (m/e) 388 (M+), 238 (base).