作者:Minoo Khazan、Farzin Hadizadeh、Abbas Shafiee
DOI:10.1002/jhet.5570340526
日期:1997.9
dioxide gave 2-acety1-1-methylimidazole (3). Using compound 3 and substituted isatins 4, the corresponding quinoline-4-carboxylic acids (5) were prepared. The reaction of acid imidazolides of 5 with appropriate amines yielded the amides 6. Carbamic acid esters 10 were prepared by the Curtius rearrangement in good yield. Substituted quinolin-4-amines 13 were obtained by the acid hydrolysis of compound
甲基锂与1-甲基1-2-咪唑甲醛的反应得到相应的醇2。用二氧化锰氧化化合物2得到2-乙酰基1-1-甲基咪唑(3)。使用化合物3和取代的靛红4,制备了相应的喹啉-4-羧酸(5)。5的酸咪唑化物与适当的胺反应生成酰胺6。通过库尔修斯重排以高收率制备氨基甲酸酯10。取代的喹啉-4-胺13通过化合物的酸水解而获得的10(R 1 =吨-Bu)。胺13与二烷基氨基烷基氯的烷基化得到化合物14。