以氯化亚铜为催化剂,叔胺为底物,磺酰叠氮为氮源,经“一锅法”合成了11个磺酰脒衍生物(3a ~3k,其中3c,3e ~3i和3k为新化合物),收率43%~96%,其结构经1 H NMR,13C NMR和HR-ESI-MS表征.采用MTT法研究了3a~3j对人肺癌细胞(A549),人结肠癌细胞(HCT116)和人肝癌细胞(HepG2)的抗肿瘤活性.结果表明:在用药量为20 μg·mL-1时,3a ~3k对A549,HCT116和HepG2的抑制率均优于对照药紫杉醇,其中N,N-二乙基-N’-对甲氧基苯磺酰脒(3b)对A549的抑制率为82%;N,N-二丙基-N’-对甲氧基苯磺酰脒(3c)对HCT116抑制率为80%,具有较好的抗肿瘤活性.
Eleven sulfonyl amidine derivatives (3a ~ 3k) were synthesized by "one-pot" using tertiaryamines as the substrate,sulfonyl azides as nitrogen source and CuC1 as the catalyst.The structures were characterized by 1H NMR,13C NMR and HR-ESI-MS.3c,3e ~ 3i and 3k were new compounds.The in vitro antitumor activities of 3a ~ 3k were tested by MTT method.The results showed that 3a ~ 3k exhibited better antitumor activities agast A549,HCT116 and HepG220 cells at 20 μg ·mL-1.The inhibition of N,N-dipropyl-N'-tosylformimidamide (3b) against A549 cells was 82 %,and N' [(4-methoxyphenyl) sulfonyl]-N,N-dipropylformimidamide (3c) against HCT116 cells was 80 %.