本文提出的新的喹唑啉和喹唑啉代[3,4- a ]喹唑啉的合成从2-氨基-N-烷基苯甲酰胺开始。2-氨基-N-烷基苯甲酰胺与2-硝基苯甲醛反应,然后用Zn还原,得到相应的3-烷基-2-(2-氨基苯基)-2,3-二氢喹唑啉-4(1H)-。后来的化合物先后用二硫化碳,碘甲烷,原甲酸三乙酯或乙炔二甲酸二甲酯(DMAD)环化,得到新的喹唑啉代[3,4- a ]喹唑啉衍生物,该衍生物根据FT-IR,1 H和13表征13 C NMR光谱和微观分析数据。在与DMAD反应的情况下,还使用了2D核Overhauser效应(2D-NOESY)光谱以及在理论水平B3LYP / 6-311 + G(d,p)上的实验位移和计算得出的化学位移进行比较,以确定正确的立体异构体。
Synthesis of Novel 6-Mercapto-12-phenethyl-quinazolino[3,4-a]quinazolinones
摘要:
Novel 6‐mercapto‐12‐phenethyl‐quinazolino[3,4‐a]quinazolinone derivatives were synthesized through a user‐friendly five‐step reaction starting from isatoic anhydride. All products were characterized by IR, 1H‐NMR, 13C‐NMR spectroscopy, and chemical analysis. All of them were evaluated for their in vitro cytotoxic activity against two cell lines namely MOLT‐4 (human lymphoblastic leukemia) and MCF‐7 (human breast adenocarcinoma).