Potential antitumor agents. 12. 2-Formyl-4-aminophenylpyridine thiosemicarbazones
作者:Krishna C. Agrawal、Barbara A. Booth、Suzanne M. DeNuzzo、Alan C. Sartorelli
DOI:10.1021/jm00238a009
日期:1975.4
The antitumor agent 2-formyl-4-(m-amino)phenylpyridine thiosemicarbazone (4-APPT) has been synthesized by a new route to give significantly better overall yields than previously reported. 4-Phenyl-2-picoline was formed by methylation o4-phenylpyridine with CH3Li which upon nitration produced a mixture of o-, m-, and p-nitro-substituted derivatives. These isomers were separated by the solubility differences
抗肿瘤剂2-甲酰基-4-(间氨基)苯基吡啶硫代半碳环素(4-APPT)已通过一种新途径合成,其总收率明显高于先前报道的水平。通过用CH3Li甲基化o4-苯基吡啶形成4-苯基-2-甲基吡啶,硝化后生成邻,间和对硝基取代的衍生物的混合物。这些异构体通过其盐酸盐或硝酸盐的溶解度差异分别以10%,27%和40%的产率分离。这些异构体的结构鉴定和确认是通过mmr进行的。每个异构体分别进行一系列反应,以将2-CH3基团氧化为相应的甲醛,并将NO2的功能还原为氨基。测试了这些药物在携带肉瘤180腹水细胞的小鼠中的抗肿瘤活性;