Synthesis and in vitro antiproliferative activity of new 11-aminoalkylamino-substituted chromeno[2,3-b]indoles
作者:Wei Peng、Marta Świtalska、Li Wang、Zhen-Wu Mei、Yoshiki Edazawa、Cui-Qing Pang、Ibrahim El-Tantawy El-Sayed、Joanna Wietrzyk、Tsutomu Inokuchi
DOI:10.1016/j.ejmech.2012.10.023
日期:2012.12
indole-3-carboxylate 1 and phenols 2, producing the chromeno[2,3-b]indol-11(6H)-ones 4, which is followed by dehydroxychlorination with phosphorus oxychloride to afford the 11-chlorochromeno[2,3-b]indoles 5. The treatment of 5 with various amines produced the corresponding 11-aminated chromeno[2,3-b]indoles 6, while some of the 11-ω-aminoalkylamino derivatives 6 were transformed into the 11-ω-sulfonylaminoalkylamino
为了寻找新的铬诺[2,3- b ]吲哚的生物活性,已知具有有效抗肿瘤活性的吲哚[2,3- b ]喹啉的5-氧杂类似物,一系列11-氨基制备在C-2位具有各种取代基的衍生物。chromeno [2,3- b ]吲哚结构的合成涉及2-苯氧基-3-吲哚羧酸酯3(可从吲哚-3-羧酸酯1和酚2进入)的环化反应,生成chromeno [2,3- b ] indol-11(6 H)-ones 4,然后用氯氧化磷进行脱羟基氯化,得到11-chlorochromeno [2,3- b]吲哚5。用各种胺处理5产生相应的11胺化chromeno [2,3- b ]吲哚6,而一些11-ω-氨基烷基氨基衍生物6被转化为11-ω-磺酰基氨基烷基氨基衍生物8。这些11-aminochromeno [2,3-的抗增殖活性b ]吲哚6和8 在体外使用MV4-11(人白血病),A549(肺癌),HCT116(结肠癌),和正常小鼠成纤维细胞进行测试(描述了BALB